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NDQ_011627 | what will help decrease the demand on natural resources? | a. improvements in technology, b. controls in population growth, c. conservation of resources, d. all of the above | d | Lesson: nonrenewable resources
Nonrenewable Resources:
A nonrenewable resource is a natural resource that is consumed or used up faster than it can be made by nature. Two main types of nonrenewable resources are fossil fuels and nuclear power. Fossil fuels, such as petroleum, coal, and natural gas, formed from plant a... |
NDQ_011628 | what countries have the highest energy consumption per person? | a. china and india, b. the united states and england, c. the united states and australia, d. the united states and canada | c | Lesson: nonrenewable resources
Nonrenewable Resources:
A nonrenewable resource is a natural resource that is consumed or used up faster than it can be made by nature. Two main types of nonrenewable resources are fossil fuels and nuclear power. Fossil fuels, such as petroleum, coal, and natural gas, formed from plant a... |
NDQ_011629 | current fuel supplies for nuclear power will last only to about the year | a. 2050, b. 2100, c. 2200, d. 2250 | b | Lesson: nonrenewable resources
Nonrenewable Resources:
A nonrenewable resource is a natural resource that is consumed or used up faster than it can be made by nature. Two main types of nonrenewable resources are fossil fuels and nuclear power. Fossil fuels, such as petroleum, coal, and natural gas, formed from plant a... |
NDQ_011630 | oil took millions of years to form, but __________ years to completely use. | a. less than 200, b. 250 to 300, c. about 500, d. around 1,000 | b | Lesson: nonrenewable resources
Nonrenewable Resources:
A nonrenewable resource is a natural resource that is consumed or used up faster than it can be made by nature. Two main types of nonrenewable resources are fossil fuels and nuclear power. Fossil fuels, such as petroleum, coal, and natural gas, formed from plant a... |
NDQ_011651 | organic compounds are built around the element oxygen. | a. true, b. false | b | Lesson: organic compounds
Organic Compounds:
The main chemical components of living organisms are known as organic compounds. Organic compounds are molecules built around the element carbon (C). Living things are made up of very large molecules. These large molecules are called macromolecules because macro means large... |
NDQ_011652 | fats and oils are lipids. at room temperature, oils are solid and fats are liquid. | a. true, b. false | b | Lesson: organic compounds
Organic Compounds:
The main chemical components of living organisms are known as organic compounds. Organic compounds are molecules built around the element carbon (C). Living things are made up of very large molecules. These large molecules are called macromolecules because macro means large... |
NDQ_011656 | proteins are organic compounds made of | a. nucleotides, b. amino acids, c. polysaccharides, d. lipids | b | Lesson: organic compounds
Organic Compounds:
The main chemical components of living organisms are known as organic compounds. Organic compounds are molecules built around the element carbon (C). Living things are made up of very large molecules. These large molecules are called macromolecules because macro means large... |
NDQ_011657 | what organic compound makes up the cell membrane? | a. carbohydrates, b. lipids, c. proteins, d. nucleic acids | b | Lesson: organic compounds
Organic Compounds:
The main chemical components of living organisms are known as organic compounds. Organic compounds are molecules built around the element carbon (C). Living things are made up of very large molecules. These large molecules are called macromolecules because macro means large... |
NDQ_011658 | which of the following are carbohydrates? | a. sugar, glucose, steroids, b. glycogen, cellulose, atp, c. glucose, glycogen, waxes, d. sugar, glucose, starch | d | Lesson: organic compounds
Organic Compounds:
The main chemical components of living organisms are known as organic compounds. Organic compounds are molecules built around the element carbon (C). Living things are made up of very large molecules. These large molecules are called macromolecules because macro means large... |
NDQ_011659 | about how many unique proteins are in humans? | a. 1,000, b. 10,000, c. 100,000, d. 1,000,000 | c | Lesson: organic compounds
Organic Compounds:
The main chemical components of living organisms are known as organic compounds. Organic compounds are molecules built around the element carbon (C). Living things are made up of very large molecules. These large molecules are called macromolecules because macro means large... |
NDQ_011660 | which of the following is a biological catalyst? | a. enzyme, b. antibody, c. steroid, d. rna | a | Lesson: organic compounds
Organic Compounds:
The main chemical components of living organisms are known as organic compounds. Organic compounds are molecules built around the element carbon (C). Living things are made up of very large molecules. These large molecules are called macromolecules because macro means large... |
NDQ_011671 | there are only four types of tissue in the human body. | a. true, b. false | a | Lesson: organization of the human body
Organization of Your Body Cells Tissues Organs:
Cells are grouped together to carry out specific functions. A group of cells that work together form a tissue. Your body has four main types of tissues, as do the bodies of other animals. These tissues make up all structures and con... |
NDQ_011672 | a group of similar cells that work together is known as a organ. | a. true, b. false | b | Lesson: organization of the human body
Organization of Your Body Cells Tissues Organs:
Cells are grouped together to carry out specific functions. A group of cells that work together form a tissue. Your body has four main types of tissues, as do the bodies of other animals. These tissues make up all structures and con... |
NDQ_011676 | which organ system provides protection from injury and water loss, and physical defense against infection by microorganisms? | a. the lymphatic system, b. the immune system, c. the integumentary system, d. the urinary system | c | Lesson: organization of the human body
Organization of Your Body Cells Tissues Organs:
Cells are grouped together to carry out specific functions. A group of cells that work together form a tissue. Your body has four main types of tissues, as do the bodies of other animals. These tissues make up all structures and con... |
NDQ_011677 | which organ system collects, transfers, and processes information? | a. the nervous system, b. the endocrine system, c. the reproductive system, d. the lymphatic system | a | Lesson: organization of the human body
Organization of Your Body Cells Tissues Organs:
Cells are grouped together to carry out specific functions. A group of cells that work together form a tissue. Your body has four main types of tissues, as do the bodies of other animals. These tissues make up all structures and con... |
NDQ_011678 | which organ system is composed of the trachea, larynx, pharynx, and lungs? | a. the digestive system, b. the urinary system, c. the endocrine system, d. the respiratory system | d | Lesson: organization of the human body
Organization of Your Body Cells Tissues Organs:
Cells are grouped together to carry out specific functions. A group of cells that work together form a tissue. Your body has four main types of tissues, as do the bodies of other animals. These tissues make up all structures and con... |
NDQ_011679 | which is associated with the reproductive system? | a. the seminal vesicles, b. the fallopian tubes and ovaries, c. the production of gametes and sex hormones, d. all of the above are associated with the reproductive system | d | Lesson: organization of the human body
Organization of Your Body Cells Tissues Organs:
Cells are grouped together to carry out specific functions. A group of cells that work together form a tissue. Your body has four main types of tissues, as do the bodies of other animals. These tissues make up all structures and con... |
NDQ_011680 | which is associated with the endocrine system? | a. bone marrow, b. blood vessels, c. hormones that communicate between cells, d. all of the above are associated with the endocrine system | c | Lesson: organization of the human body
Organization of Your Body Cells Tissues Organs:
Cells are grouped together to carry out specific functions. A group of cells that work together form a tissue. Your body has four main types of tissues, as do the bodies of other animals. These tissues make up all structures and con... |
NDQ_011691 | early earth was full of gas like oxygen and carbon dioxide. | a. true, b. false | b | Lesson: origins of life
Origin of Life:
There is good evidence that life has probably existed on Earth for most of Earths history. Fossils of blue-green algae found in Australia are the oldest fossils of life forms on Earth. They are at least 3.5 billion years old ( Figure 1.1).
Life from Random Reactions:
How did l... |
NDQ_011692 | organic compounds are needed to build cells. | a. true, b. false | a | Lesson: origins of life
Origin of Life:
There is good evidence that life has probably existed on Earth for most of Earths history. Fossils of blue-green algae found in Australia are the oldest fossils of life forms on Earth. They are at least 3.5 billion years old ( Figure 1.1).
Life from Random Reactions:
How did l... |
NDQ_011696 | which of the following was not present in early earth? | a. nitrogen gas, b. carbon dioxide, c. water vapor, d. hydrogen sulfoxide | d | Lesson: origins of life
Origin of Life:
There is good evidence that life has probably existed on Earth for most of Earths history. Fossils of blue-green algae found in Australia are the oldest fossils of life forms on Earth. They are at least 3.5 billion years old ( Figure 1.1).
Life from Random Reactions:
How did l... |
NDQ_011697 | chemical reactions need energy. where did this energy come from? | a. volcanic eruptions and lightning, b. volcanic eruptions and nuclear fusion, c. lightening and thunder, d. thunder and volcanic eruptions | a | Lesson: origins of life
Origin of Life:
There is good evidence that life has probably existed on Earth for most of Earths history. Fossils of blue-green algae found in Australia are the oldest fossils of life forms on Earth. They are at least 3.5 billion years old ( Figure 1.1).
Life from Random Reactions:
How did l... |
NDQ_011698 | what is needed to build proteins? | a. amino acids, b. nucleotides, c. organic compounds, d. all of the above | a | Lesson: origins of life
Origin of Life:
There is good evidence that life has probably existed on Earth for most of Earths history. Fossils of blue-green algae found in Australia are the oldest fossils of life forms on Earth. They are at least 3.5 billion years old ( Figure 1.1).
Life from Random Reactions:
How did l... |
NDQ_011699 | how old is the earliest forms of life? | a. at least 350,000 years old, b. at least 3.5 million years old, c. at least 3.5 billion years old, d. over 5 billion years | c | Lesson: origins of life
Origin of Life:
There is good evidence that life has probably existed on Earth for most of Earths history. Fossils of blue-green algae found in Australia are the oldest fossils of life forms on Earth. They are at least 3.5 billion years old ( Figure 1.1).
Life from Random Reactions:
How did l... |
NDQ_011700 | where did these ingredients for early molecules come from? | a. water vapor, b. meteorites, c. volcanic gases, d. all of the above | d | Lesson: origins of life
Origin of Life:
There is good evidence that life has probably existed on Earth for most of Earths history. Fossils of blue-green algae found in Australia are the oldest fossils of life forms on Earth. They are at least 3.5 billion years old ( Figure 1.1).
Life from Random Reactions:
How did l... |
NDQ_011701 | the burning of fossil fuels causes most air pollution. | a. true, b. false | a | Lesson: outdoor air pollution
Outdoor Air Pollution:
Air is all around us. Air is essential for life. Sometimes, humans can pollute the air. For example, releasing smoke and dust from factories and cars can cause air pollution. Air pollution is due to chemical substances and particles released into the air mainly by h... |
NDQ_011702 | outdoor air pollution changes the natural characteristics of the atmosphere. | a. true, b. false | a | Lesson: outdoor air pollution
Outdoor Air Pollution:
Air is all around us. Air is essential for life. Sometimes, humans can pollute the air. For example, releasing smoke and dust from factories and cars can cause air pollution. Air pollution is due to chemical substances and particles released into the air mainly by h... |
NDQ_011706 | which of the following processes burns fossil fuels? | a. within power plants to create electricity, b. within factories to operate machinery, c. within furnaces to generate heat, d. all of the above | d | Lesson: outdoor air pollution
Outdoor Air Pollution:
Air is all around us. Air is essential for life. Sometimes, humans can pollute the air. For example, releasing smoke and dust from factories and cars can cause air pollution. Air pollution is due to chemical substances and particles released into the air mainly by h... |
NDQ_011707 | acid rain is formed from | a. the production of plastics, b. nuclear power and defense, c. coal-fired power plants, d. all of the above | c | Lesson: outdoor air pollution
Outdoor Air Pollution:
Air is all around us. Air is essential for life. Sometimes, humans can pollute the air. For example, releasing smoke and dust from factories and cars can cause air pollution. Air pollution is due to chemical substances and particles released into the air mainly by h... |
NDQ_011708 | where do most greenhouse gases come from? | a. mostly from a lack of trees, b. mostly from burning fossil fuels, c. mostly from landfills and mining, d. mostly from sulfur oxides and nitrogen oxides | b | Lesson: outdoor air pollution
Outdoor Air Pollution:
Air is all around us. Air is essential for life. Sometimes, humans can pollute the air. For example, releasing smoke and dust from factories and cars can cause air pollution. Air pollution is due to chemical substances and particles released into the air mainly by h... |
NDQ_011709 | effects of a global temperature increase include | a. species extinction, b. a rise in sea levels, c. an increase in extreme weather events, d. all of the above | d | Lesson: outdoor air pollution
Outdoor Air Pollution:
Air is all around us. Air is essential for life. Sometimes, humans can pollute the air. For example, releasing smoke and dust from factories and cars can cause air pollution. Air pollution is due to chemical substances and particles released into the air mainly by h... |
NDQ_011710 | which of the following is a source of air pollution? | a. the production of aerosols, b. biological warfare, c. cattle ranching, d. all of the above | d | Lesson: outdoor air pollution
Outdoor Air Pollution:
Air is all around us. Air is essential for life. Sometimes, humans can pollute the air. For example, releasing smoke and dust from factories and cars can cause air pollution. Air pollution is due to chemical substances and particles released into the air mainly by h... |
NDQ_011721 | an infectious disease is contagious. | a. true, b. false | a | Lesson: pathogens
Pathogens:
Has this ever happened to you? A student sitting next to you in class has a cold. The other student is coughing and sneezing, but you feel fine. Two days later, you come down with a cold, too. Diseases like colds are contagious. Contagious diseases are also called infectious diseases. An i... |
NDQ_011722 | medicines called antibiotics can cure most diseases caused by viruses. | a. true, b. false | b | Lesson: pathogens
Pathogens:
Has this ever happened to you? A student sitting next to you in class has a cold. The other student is coughing and sneezing, but you feel fine. Two days later, you come down with a cold, too. Diseases like colds are contagious. Contagious diseases are also called infectious diseases. An i... |
NDQ_011726 | two diseases caused by fungi include | a. ringworm and athletes foot, b. strep throat and pneumonia, c. malaria and diarrhea, d. tuberculosis and giardia | a | Lesson: pathogens
Pathogens:
Has this ever happened to you? A student sitting next to you in class has a cold. The other student is coughing and sneezing, but you feel fine. Two days later, you come down with a cold, too. Diseases like colds are contagious. Contagious diseases are also called infectious diseases. An i... |
NDQ_011727 | what skin disease can be transferred from the floor of a public shower? | a. impetigo, b. acne, c. athletes foot, d. all of the above | c | Lesson: pathogens
Pathogens:
Has this ever happened to you? A student sitting next to you in class has a cold. The other student is coughing and sneezing, but you feel fine. Two days later, you come down with a cold, too. Diseases like colds are contagious. Contagious diseases are also called infectious diseases. An i... |
NDQ_011728 | what disease can be spread by mosquitoes? | a. malaria, b. dengue fever, c. west nile virus, d. all of the above | d | Lesson: pathogens
Pathogens:
Has this ever happened to you? A student sitting next to you in class has a cold. The other student is coughing and sneezing, but you feel fine. Two days later, you come down with a cold, too. Diseases like colds are contagious. Contagious diseases are also called infectious diseases. An i... |
NDQ_011729 | diseases caused by a virus include | a. the flu and common cold, b. athletes foot and the flu, c. malaria and ringworm, d. all of the above | a | Lesson: pathogens
Pathogens:
Has this ever happened to you? A student sitting next to you in class has a cold. The other student is coughing and sneezing, but you feel fine. Two days later, you come down with a cold, too. Diseases like colds are contagious. Contagious diseases are also called infectious diseases. An i... |
NDQ_011730 | giardia lamblia is | a. virus, b. bacterium, c. protozoa, d. fungi | c | Lesson: pathogens
Pathogens:
Has this ever happened to you? A student sitting next to you in class has a cold. The other student is coughing and sneezing, but you feel fine. Two days later, you come down with a cold, too. Diseases like colds are contagious. Contagious diseases are also called infectious diseases. An i... |
NDQ_011731 | a pedigree shows family relationships. | a. true, b. false | a | Lesson: pedigree analysis
Pedigree Analysis:
A pedigree is a chart that shows the inheritance of a trait over several generations. A pedigree is commonly created for families, and it outlines the inheritance patterns of genetic disorders and traits. A pedigree can help predict the probability that offspring will inher... |
NDQ_011732 | a pedigree can be useful in understanding inheritance. | a. true, b. false | a | Lesson: pedigree analysis
Pedigree Analysis:
A pedigree is a chart that shows the inheritance of a trait over several generations. A pedigree is commonly created for families, and it outlines the inheritance patterns of genetic disorders and traits. A pedigree can help predict the probability that offspring will inher... |
NDQ_011736 | in autosomal recessive inheritance, all children of an couple with both parents having the recessive trait | a. will not have the trait, b. will all have the trait, c. may or may not have the trait, d. cannot be determined from the information given | b | Lesson: pedigree analysis
Pedigree Analysis:
A pedigree is a chart that shows the inheritance of a trait over several generations. A pedigree is commonly created for families, and it outlines the inheritance patterns of genetic disorders and traits. A pedigree can help predict the probability that offspring will inher... |
NDQ_011737 | in autosomal dominant inheritance, a homozygous dominant affected father will have children | a. that may or may not be affected, b. that are not affected, c. that are all affected, d. cannot tell from the information given | c | Lesson: pedigree analysis
Pedigree Analysis:
A pedigree is a chart that shows the inheritance of a trait over several generations. A pedigree is commonly created for families, and it outlines the inheritance patterns of genetic disorders and traits. A pedigree can help predict the probability that offspring will inher... |
NDQ_011738 | in sex-linked inheritance, the pedigree will most likely show | a. more affected males, b. more affected females, c. an equal number of affected males and females, d. no affected individuals | a | Lesson: pedigree analysis
Pedigree Analysis:
A pedigree is a chart that shows the inheritance of a trait over several generations. A pedigree is commonly created for families, and it outlines the inheritance patterns of genetic disorders and traits. A pedigree can help predict the probability that offspring will inher... |
NDQ_011739 | in autosomal recessive inheritance, all affected individuals | a. will be heterozygous, b. will be heterozygous recessive, c. will be homozygous dominant, d. will be homozygous recessive | d | Lesson: pedigree analysis
Pedigree Analysis:
A pedigree is a chart that shows the inheritance of a trait over several generations. A pedigree is commonly created for families, and it outlines the inheritance patterns of genetic disorders and traits. A pedigree can help predict the probability that offspring will inher... |
NDQ_011740 | in autosomal dominant inheritance, all affected individuals | a. will be homozygous dominant or heterozygous, b. will be homozygous recessive or heterozygous, c. will be heterozygous, d. cannot be determined from the information given | a | Lesson: pedigree analysis
Pedigree Analysis:
A pedigree is a chart that shows the inheritance of a trait over several generations. A pedigree is commonly created for families, and it outlines the inheritance patterns of genetic disorders and traits. A pedigree can help predict the probability that offspring will inher... |
NDQ_011741 | there are nerves that send and receive messages to the internal organs. | a. true, b. false | a | Lesson: peripheral nervous system
The Peripheral Nervous System:
There are other nerves in your body that are not found in the brain or spinal cord. The peripheral nervous system (PNS) ( Figure 1.1) contains all the nerves in the body that are found outside of the central nervous system. They include nerves of the han... |
NDQ_011742 | the peripheral nervous system sends messages along nerves from the brain to the spinal cord. | a. true, b. false | b | Lesson: peripheral nervous system
The Peripheral Nervous System:
There are other nerves in your body that are not found in the brain or spinal cord. The peripheral nervous system (PNS) ( Figure 1.1) contains all the nerves in the body that are found outside of the central nervous system. They include nerves of the han... |
NDQ_011746 | which part of the pns carries messages from internal organs to the cns? | a. the sensory division, b. the motor division, c. the somatic nervous system, d. the autonomic nervous system | a | Lesson: peripheral nervous system
The Peripheral Nervous System:
There are other nerves in your body that are not found in the brain or spinal cord. The peripheral nervous system (PNS) ( Figure 1.1) contains all the nerves in the body that are found outside of the central nervous system. They include nerves of the han... |
NDQ_011747 | which part of the pns controls involuntary activities such as activities such as digestion? | a. the sensory division, b. the motor division, c. the somatic nervous system, d. the autonomic nervous system | d | Lesson: peripheral nervous system
The Peripheral Nervous System:
There are other nerves in your body that are not found in the brain or spinal cord. The peripheral nervous system (PNS) ( Figure 1.1) contains all the nerves in the body that are found outside of the central nervous system. They include nerves of the han... |
NDQ_011748 | what part of the pns allows you to circle the correct answer to this question? | a. the somatic nervous system, b. the autonomic nervous system, c. the sympathetic division, d. the parasympathetic division | a | Lesson: peripheral nervous system
The Peripheral Nervous System:
There are other nerves in your body that are not found in the brain or spinal cord. The peripheral nervous system (PNS) ( Figure 1.1) contains all the nerves in the body that are found outside of the central nervous system. They include nerves of the han... |
NDQ_011749 | what part of the pns increases the heart rate in an emergency situation? | a. the sensory division, b. the motor division, c. the sympathetic division, d. the parasympathetic division | c | Lesson: peripheral nervous system
The Peripheral Nervous System:
There are other nerves in your body that are not found in the brain or spinal cord. The peripheral nervous system (PNS) ( Figure 1.1) contains all the nerves in the body that are found outside of the central nervous system. They include nerves of the han... |
NDQ_011750 | what part of the nervous system tells you that cookies are being baked? | a. the central nervous system, b. the sensory division, c. the autonomic nervous system, d. the somatic nervous system | a | Lesson: peripheral nervous system
The Peripheral Nervous System:
There are other nerves in your body that are not found in the brain or spinal cord. The peripheral nervous system (PNS) ( Figure 1.1) contains all the nerves in the body that are found outside of the central nervous system. They include nerves of the han... |
NDQ_011751 | glucose is the food of plants. | a. true, b. false | a | Lesson: photosynthesis
What is Photosynthesis:
If a plant gets hungry, it cannot walk to a local restaurant and buy a slice of pizza. So, how does a plant get the food it needs to survive? Plants are producers, which means they are able to make, or produce, their own food. They also produce the "food" for other organi... |
NDQ_011752 | glucose is the main product of photosynthesis. | a. true, b. false | a | Lesson: photosynthesis
What is Photosynthesis:
If a plant gets hungry, it cannot walk to a local restaurant and buy a slice of pizza. So, how does a plant get the food it needs to survive? Plants are producers, which means they are able to make, or produce, their own food. They also produce the "food" for other organi... |
NDQ_011756 | which statement best describes a producer? | a. an organism that produces food for itself and other organisms, b. an organism that produces complex organic compounds from simple inorganic molecules, c. an organism that obtains carbon from outside sources, d. all plants are producers | a | Lesson: photosynthesis
What is Photosynthesis:
If a plant gets hungry, it cannot walk to a local restaurant and buy a slice of pizza. So, how does a plant get the food it needs to survive? Plants are producers, which means they are able to make, or produce, their own food. They also produce the "food" for other organi... |
NDQ_011757 | which statement best describes an autotroph? | a. an organism that produces food for itself an other organisms, b. an organism that produces complex organic compounds from simple, c. an organism that obtains carbon from outside sources, d. all plants are autotrophs | b | Lesson: photosynthesis
What is Photosynthesis:
If a plant gets hungry, it cannot walk to a local restaurant and buy a slice of pizza. So, how does a plant get the food it needs to survive? Plants are producers, which means they are able to make, or produce, their own food. They also produce the "food" for other organi... |
NDQ_011758 | which best summarized photosynthesis? in the presence of sunlight, | a. carbon dioxide + oxygen glucose + water, b. glucose + oxygen carbon dioxide + water, c. carbon dioxide + water glucose + oxygen, d. carbon dioxide + glucose oxygen + water | c | Lesson: photosynthesis
What is Photosynthesis:
If a plant gets hungry, it cannot walk to a local restaurant and buy a slice of pizza. So, how does a plant get the food it needs to survive? Plants are producers, which means they are able to make, or produce, their own food. They also produce the "food" for other organi... |
NDQ_011759 | what is the organelle of photosynthesis? | a. the mitochondria, b. the chloroplast, c. the nucleus, d. the endoplasmic reticulum | b | Lesson: photosynthesis
What is Photosynthesis:
If a plant gets hungry, it cannot walk to a local restaurant and buy a slice of pizza. So, how does a plant get the food it needs to survive? Plants are producers, which means they are able to make, or produce, their own food. They also produce the "food" for other organi... |
NDQ_011760 | as almost all organisms on earth obtain their energy from photosynthetic organisms, it could be said that ultimately all energy comes from _________. | a. plants, b. food, c. the sun, d. carbon dioxide | c | Lesson: photosynthesis
What is Photosynthesis:
If a plant gets hungry, it cannot walk to a local restaurant and buy a slice of pizza. So, how does a plant get the food it needs to survive? Plants are producers, which means they are able to make, or produce, their own food. They also produce the "food" for other organi... |
NDQ_011830 | phenotypes associated with polygenic traits can be represented by a bell-shaped curve. | a. true, b. false | a | Lesson: polygenic traits
Polygenic Traits:
Another exception to Mendels rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in... |
NDQ_011831 | polygenic traits demonstrate a wide variation in the phenotype. | a. true, b. false | a | Lesson: polygenic traits
Polygenic Traits:
Another exception to Mendels rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in... |
NDQ_011835 | if a, b and c represent dominant alleles of a polygenic trait, what genotype will represent an extreme phenotype? | a. aabbcc, b. aabbcc, c. aabbcc, d. aabbcc | a | Lesson: polygenic traits
Polygenic Traits:
Another exception to Mendels rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in... |
NDQ_011836 | if a, b and c represent dominant alleles of a polygenic trait, what genotype will represent the moderate (or middle) phenotype? | a. aabbcc, b. aabbcc, c. aabbcc, d. all of the above represent moderate phenotypes | a | Lesson: polygenic traits
Polygenic Traits:
Another exception to Mendels rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in... |
NDQ_011837 | which genotype will have a more extreme phenotype? | a. aabbcc, b. aabbcc, c. aabbcc, d. all of the above will show very similar phenotypes | d | Lesson: polygenic traits
Polygenic Traits:
Another exception to Mendels rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in... |
NDQ_011838 | human height is a polygenic trait. if individuals with more dominant alleles are tall, what will be the genotype of a professional basketball player. | a. nnbbaa, b. nnbbaa, c. nnbbaa, d. nnbbaa | a | Lesson: polygenic traits
Polygenic Traits:
Another exception to Mendels rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in... |
NDQ_011839 | in addition to skin color and height, which of the following is also a polygenic trait? | a. freckles, b. hair color, c. eye size, d. both (b) and (c) | b | Lesson: polygenic traits
Polygenic Traits:
Another exception to Mendels rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in... |
NDQ_011840 | many birds are altricial organisms, needing a lot of parental care. | a. true, b. false | a | Lesson: population growth patterns
Population Growth:
What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for... |
NDQ_011841 | exponential growth requires an unlimited food supply. | a. true, b. false | a | Lesson: population growth patterns
Population Growth:
What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for... |
NDQ_011845 | which factor affects the population growth rate? | a. the age of organisms at first reproduction, b. the age of an organism at death, c. the age of the newborn at birth, d. all of the above | a | Lesson: population growth patterns
Population Growth:
What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for... |
NDQ_011846 | if the death rate is larger than the birth rate, what will happen to the population? | a. the population size will stay the same, b. the population size will increase, c. the population size will decrease, d. nothing will happen | c | Lesson: population growth patterns
Population Growth:
What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for... |
NDQ_011847 | what happens to population growth as resources become less available? | a. logistic growth becomes exponential growth, b. exponential growth becomes logistic growth, c. exponential growth continues to the carrying capacity, d. logistic growth stops | b | Lesson: population growth patterns
Population Growth:
What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for... |
NDQ_011848 | which of the following is true about altricial organisms? | a. altricial organisms require minimal parental support, b. altricial birds are able to fly at birth, c. altricial birds are usually born blind and without feathers, d. altricial organisms reach maturity relatively quickly | c | Lesson: population growth patterns
Population Growth:
What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for... |
NDQ_011849 | which factor affects the population growth rate? | a. the presence or absence of parental care, b. the death rate of offspring, c. how often an organism reproduces, d. all of the above | d | Lesson: population growth patterns
Population Growth:
What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for... |
NDQ_011860 | the placenta supplies the developing baby with oxygen. | a. true, b. false | a | Lesson: pregnancy and childbirth
Pregnancy and Childbirth:
While a woman is pregnant, the developing baby may be called an embryo or a fetus. Do these mean the same thing? No, in the very early stages the developing baby is called an embryo, while in the later stages it is called a fetus. When the ball of cells first ... |
NDQ_011861 | a typical pregnancy lasts 38 weeks. | a. true, b. false | a | Lesson: pregnancy and childbirth
Pregnancy and Childbirth:
While a woman is pregnant, the developing baby may be called an embryo or a fetus. Do these mean the same thing? No, in the very early stages the developing baby is called an embryo, while in the later stages it is called a fetus. When the ball of cells first ... |
NDQ_011865 | by when have all the major organs started to develop? | a. by the 2nd week after fertilization, b. by the 4th week after fertilization, c. by the 8th week after fertilization, d. by the 12th week after fertilization | c | Lesson: pregnancy and childbirth
Pregnancy and Childbirth:
While a woman is pregnant, the developing baby may be called an embryo or a fetus. Do these mean the same thing? No, in the very early stages the developing baby is called an embryo, while in the later stages it is called a fetus. When the ball of cells first ... |
NDQ_011866 | the heart is one of the first organs to develop. when does the heart begin to beat? | a. during week 1, b. during week 2, c. during week 4, d. during week 6 | c | Lesson: pregnancy and childbirth
Pregnancy and Childbirth:
While a woman is pregnant, the developing baby may be called an embryo or a fetus. Do these mean the same thing? No, in the very early stages the developing baby is called an embryo, while in the later stages it is called a fetus. When the ball of cells first ... |
NDQ_011867 | to have the best chance of survival, a premature baby should be delivered no earlier than week | a. 26, b. 28, c. 30, d. 32 | b | Lesson: pregnancy and childbirth
Pregnancy and Childbirth:
While a woman is pregnant, the developing baby may be called an embryo or a fetus. Do these mean the same thing? No, in the very early stages the developing baby is called an embryo, while in the later stages it is called a fetus. When the ball of cells first ... |
NDQ_011868 | in addition to the baby, what else forms inside the mothers uterus? | a. the amniotic sac, placenta, and umbilical cord also form inside the uterus, b. the placenta, c. the umbilical cord, d. all of the above | d | Lesson: pregnancy and childbirth
Pregnancy and Childbirth:
While a woman is pregnant, the developing baby may be called an embryo or a fetus. Do these mean the same thing? No, in the very early stages the developing baby is called an embryo, while in the later stages it is called a fetus. When the ball of cells first ... |
NDQ_011869 | it is important for the mother to eat plenty of nutritious foods during pregnancy. it is also important for the mother to avoid | a. alcohol, illegal drugs, and some medicines, b. alcohol, soda and candy, c. alcohol, airplane rides and amusement parks, d. alcohol, illegal drugs and sexual relations | a | Lesson: pregnancy and childbirth
Pregnancy and Childbirth:
While a woman is pregnant, the developing baby may be called an embryo or a fetus. Do these mean the same thing? No, in the very early stages the developing baby is called an embryo, while in the later stages it is called a fetus. When the ball of cells first ... |
NDQ_011870 | theoretically the supply of fresh water could run out. | a. true, b. false | a | Lesson: preserving water sources
Preserving Water Sources:
It might seem like there is plenty of water on Earth, but thats not really the case. Water is a limited resource. That means that it is used faster than it is replaced. Theoretically, at some point in time, the supply of fresh water could run out. Though this ... |
NDQ_011871 | there are drinkable water shortages in many places of the planet. | a. true, b. false | a | Lesson: preserving water sources
Preserving Water Sources:
It might seem like there is plenty of water on Earth, but thats not really the case. Water is a limited resource. That means that it is used faster than it is replaced. Theoretically, at some point in time, the supply of fresh water could run out. Though this ... |
NDQ_011875 | recycling wastewater is tremendously helpful. which of the following produces wastewater? | a. water that has been used in washing clothes, b. water that has been used in flushing the toilet, c. water that has been used in showering, d. all of the above | d | Lesson: preserving water sources
Preserving Water Sources:
It might seem like there is plenty of water on Earth, but thats not really the case. Water is a limited resource. That means that it is used faster than it is replaced. Theoretically, at some point in time, the supply of fresh water could run out. Though this ... |
NDQ_011876 | most of earths water | a. is not drinkable, b. is in the oceans and ice caps, c. is saltwater, d. all of the above | d | Lesson: preserving water sources
Preserving Water Sources:
It might seem like there is plenty of water on Earth, but thats not really the case. Water is a limited resource. That means that it is used faster than it is replaced. Theoretically, at some point in time, the supply of fresh water could run out. Though this ... |
NDQ_011877 | the clean water act | a. prevents the illegal dumping of contaminants into the water supply, b. prevents the illegal use of clean water, c. sets guidelines for water recycling, d. all of the above | a | Lesson: preserving water sources
Preserving Water Sources:
It might seem like there is plenty of water on Earth, but thats not really the case. Water is a limited resource. That means that it is used faster than it is replaced. Theoretically, at some point in time, the supply of fresh water could run out. Though this ... |
NDQ_011878 | what is an advantage of recycling wastewater? | a. recycling wastewater produces fresh water, b. recycling wastewater can help prevent waterborne diseases, c. recycling wastewater increases the amount of water on earth, d. all of the above | b | Lesson: preserving water sources
Preserving Water Sources:
It might seem like there is plenty of water on Earth, but thats not really the case. Water is a limited resource. That means that it is used faster than it is replaced. Theoretically, at some point in time, the supply of fresh water could run out. Though this ... |
NDQ_011879 | of all the water on earth, only about _____ % can be used for drinking water. | a. 0.1, b. 1, c. 2, d. 10 | b | Lesson: preserving water sources
Preserving Water Sources:
It might seem like there is plenty of water on Earth, but thats not really the case. Water is a limited resource. That means that it is used faster than it is replaced. Theoretically, at some point in time, the supply of fresh water could run out. Though this ... |
NDQ_011880 | the best way to avoid pathogens is to wash your hands often. | a. true, b. false | a | Lesson: preventing infectious diseases
Preventing Infectious Diseases:
Infectious diseases are diseases that spread from person to person. They are caused by pathogens such as bacteria, viruses or fungi. What can you do to avoid infectious diseases? Eating right and getting plenty of sleep are a good start. These habi... |
NDQ_011881 | keeping your immune system healthy helps to fight pathogens. | a. true, b. false | a | Lesson: preventing infectious diseases
Preventing Infectious Diseases:
Infectious diseases are diseases that spread from person to person. They are caused by pathogens such as bacteria, viruses or fungi. What can you do to avoid infectious diseases? Eating right and getting plenty of sleep are a good start. These habi... |
NDQ_011885 | when washing your hands, how long should you scrub with soap? | a. at least 10 seconds, b. at least 20 seconds, c. at least 30 seconds, d. at least 1 minute | b | Lesson: preventing infectious diseases
Preventing Infectious Diseases:
Infectious diseases are diseases that spread from person to person. They are caused by pathogens such as bacteria, viruses or fungi. What can you do to avoid infectious diseases? Eating right and getting plenty of sleep are a good start. These habi... |
NDQ_011886 | name three personal items that should not be shared. | a. hairbrush, comb and soap, b. toothbrush, comb and razor, c. toothbrush, comb and soap, d. hairbrush, comb and pencil | b | Lesson: preventing infectious diseases
Preventing Infectious Diseases:
Infectious diseases are diseases that spread from person to person. They are caused by pathogens such as bacteria, viruses or fungi. What can you do to avoid infectious diseases? Eating right and getting plenty of sleep are a good start. These habi... |
NDQ_011887 | what do you think it means to use safe cooking practices? | a. wash all fruits and vegetables well prior to eating, b. use separate clean cutting boards for raw meats and vegetables, c. keep clean countertops, d. all of the above | d | Lesson: preventing infectious diseases
Preventing Infectious Diseases:
Infectious diseases are diseases that spread from person to person. They are caused by pathogens such as bacteria, viruses or fungi. What can you do to avoid infectious diseases? Eating right and getting plenty of sleep are a good start. These habi... |
NDQ_011888 | why is staying informed of current events important? | a. to know if your water needs to be boiled, b. to know what restaurants to currently avoid, c. to know what foods may be currently contaminated, d. all of the above | d | Lesson: preventing infectious diseases
Preventing Infectious Diseases:
Infectious diseases are diseases that spread from person to person. They are caused by pathogens such as bacteria, viruses or fungi. What can you do to avoid infectious diseases? Eating right and getting plenty of sleep are a good start. These habi... |
NDQ_011889 | if you have an infectious disease, you should | a. get vaccinated, b. stay home from school, c. drink plenty of fluids, d. all of the above | b | Lesson: preventing infectious diseases
Preventing Infectious Diseases:
Infectious diseases are diseases that spread from person to person. They are caused by pathogens such as bacteria, viruses or fungi. What can you do to avoid infectious diseases? Eating right and getting plenty of sleep are a good start. These habi... |
NDQ_011890 | infectious diseases can't be passed from one person to another. | a. true, b. false | b | Lesson: preventing noninfectious diseases
Preventing Noninfectious Diseases:
Noninfectious diseases cant be passed from one person to another. Instead, these types of diseases are caused by factors such as the environment, genetics, and lifestyle. Examples of inherited noninfectious conditions include cystic fibrosis ... |
NDQ_011891 | the use of tanning beds is a safe alternative to tanning in the sun. | a. true, b. false | b | Lesson: preventing noninfectious diseases
Preventing Noninfectious Diseases:
Noninfectious diseases cant be passed from one person to another. Instead, these types of diseases are caused by factors such as the environment, genetics, and lifestyle. Examples of inherited noninfectious conditions include cystic fibrosis ... |
NDQ_011895 | what noninfectious diseases cause the most deaths in many developed countries? | a. heart disease, stroke, diabetes and aids, b. aids, stroke, diabetes and cancer, c. heart disease, stroke, diabetes and cancer, d. aids and smoking | c | Lesson: preventing noninfectious diseases
Preventing Noninfectious Diseases:
Noninfectious diseases cant be passed from one person to another. Instead, these types of diseases are caused by factors such as the environment, genetics, and lifestyle. Examples of inherited noninfectious conditions include cystic fibrosis ... |
NDQ_011896 | what steps can a person take to help prevent type 2 diabetes? | a. avoiding high-fat foods, b. staying at a healthy weight, c. getting plenty of exercise, d. all of the above | d | Lesson: preventing noninfectious diseases
Preventing Noninfectious Diseases:
Noninfectious diseases cant be passed from one person to another. Instead, these types of diseases are caused by factors such as the environment, genetics, and lifestyle. Examples of inherited noninfectious conditions include cystic fibrosis ... |
NDQ_011897 | allergy shots | a. are used to treat an allergic reaction, b. can help prevent autoimmune diseases, c. contain small amounts of allergens, d. all of the above | c | Lesson: preventing noninfectious diseases
Preventing Noninfectious Diseases:
Noninfectious diseases cant be passed from one person to another. Instead, these types of diseases are caused by factors such as the environment, genetics, and lifestyle. Examples of inherited noninfectious conditions include cystic fibrosis ... |
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