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Species of organisms that have permanently died out can also be called what? | extinct | sciq |
What do you call mixtures of ash and water that travel down river valleys? | lahars | sciq |
The galápagos islands are a group of 16 volcanic islands 600 miles off the west coast of what continent? | south america | sciq |
What is it called when something is unable to move from place to place? | sessile | sciq |
Both solids and liquids hold a definite what? | volume | sciq |
Why would prokaryotes be chemotrophs instead of phototrophs in a deep-sea hydrothermal vent? | lack of light | sciq |
What substances are involved in most of the chemical reactions that take place in organisms, including digestion? | enzymes | sciq |
What is the method that is a plan for asking questions and testing possible answers called? | scientific investigation | sciq |
Because they control many cell activities - as well as being controlled by feedback mechanisms - what substances are very important for homeostasis? | hormones | sciq |
What simple machine works with a wheel and axle in a wheelbarrow? | lever | sciq |
Reptiles can be found on every continent except which one? | antarctica | sciq |
What are daily changes in the level of ocean water called? | tides | sciq |
What organism is at the top of the energy pyramid? | carnivore | sciq |
Which organ of the body do large tapeworms attack or block? | intestines | sciq |
What is formed when an acidic solution and a basic solution react together in a neutralization reaction? | salt | sciq |
What do we call the cartilaginous structure that surrounds the notochrod? | arcualia | sciq |
Restriction enzymes or restriction endonucleases are prokaryotic enzymes that recognize and cut what at specific sequences? | dna | sciq |
The distance between two crests of a wave of light is referred to as what, which is related to the color of light? | wavelength | sciq |
Skeletal muscle cells and cardiac muscle cells share what property, which is not shared by smooth muscle cells? | striations | sciq |
What corrosive substances capable of dissolving many metals can cause contamination if spilled? | acids | sciq |
Amino groups are found within amino acids, nicknamed the building blocks of what? | proteins | sciq |
Which state of matter is characterized by molecules with minimal movement and strong forces between them? | solid | sciq |
Why does the heating element of a toaster get hot so quickly? | good conductor | sciq |
What is the name for the male gamete? | sperm | sciq |
What are the cone-like structures that contain sporangia called? | strobili | sciq |
What term describes the application of knowledge to real-world problems and is practiced by engineers? | technology | sciq |
What is found inside the pores of spongy bone? | bone marrow | sciq |
Displacement is a vector quantity, which means it has both direction and what else? | magnitude | sciq |
Each kidney is supplied by a renal artery and what else? | renal vein | sciq |
By impacting plant species and the animals they support, destruction of habitat threatens what event? | extinction | sciq |
Each muscle fiber contains hundreds of organelles called what? | myofibrils | sciq |
What kind of muscle is responsible for making the human heart beat? | cardiac muscle | sciq |
Chlamydia, gonorrhea, and syphilis are examples of which type of sti? | bacterial | sciq |
What do we call heated groundwater that erupts from the ground under pressure? | springs or geysers | sciq |
What is defined as the spreading of white light into its full spectrum of wavelengths? | dispersion | sciq |
What do extensive properties depend on the amount of? | matter in a sample | sciq |
What do obligate aerobes need to live? | oxygen | sciq |
A unique characteristic of mammals is the ability to chew, this happens by the temporalis and the masseter allowing what? | side-to-side movement | sciq |
What are the most common types of compounds found on earth? | carbon-based compounds | sciq |
At the earth’s surface, the air pressure exerted on you is a result of the weight of what above you? | air | sciq |
When a warm air mass becomes trapped between two cold air masses, what type of front occurs? | occluded front | sciq |
What is the term for going into a dormant state during the winter? | hibernation | sciq |
Genetic equilibrium occurs when what process doesn't exist within the population? | evolution | sciq |
The distance between two consecutive z discs or z lines is called what? | sarcomere | sciq |
Root-like projections anchor adults of what colony-dwelling animals to solid surfaces such as rocks and reefs? | sponges | sciq |
Memory t cells are long-lived and can even persist for how long? | lifetime | sciq |
What causes high winds and monsoon storms in the desert? | high summer temperature | sciq |
Living organisms release carbon dioxide into the atmosphere by what method? | cellular respiration | sciq |
What type of joint has the greatest range of motion? | ball-and-socket | sciq |
Like plants, animals are multicellular what? | eukaryotes | sciq |
What force causes waves to topple over and break on the shore? | friction | sciq |
What is the most important characteristic of a homogeneous mixture? | uniform composition throughout | sciq |
When flagellated sperm must swim to the egg, sexual reproduction requires the presence of what substance? | water | sciq |
What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both? | opaque | sciq |
The a in atp is short for what? | adenosine | sciq |
The various sensory organs are part of what organ system? | nervous | sciq |
What part of the continuous dermal tissue system covers stems? | epidermis | sciq |
What are small organelles and are the site of protein synthesis called. | ribosomes | sciq |
The largest population size that can be supported in an area without harming the environment is referred to as what? | carrying capacity | sciq |
Some bacteria can contaminate food and cause what illness? | food poisoning | sciq |
What machine is used to determine the calories in food, as well as the average heat yield from burning various grades of coal and oil? | calorimeter | sciq |
What are seeds plants that produce naked seeds in cones called? | gymnosperms | sciq |
What is caused when circulating blood puts pressure on the walls of blood vessels? | blood pressure | sciq |
Respiration that occurs in the cells is called? | cellular respiration | sciq |
Intestinal cells combine with proteins to create what? | chylomicrons | sciq |
Unlike wood and glass, steel is an example of a material that responds to what force? | magnetic | sciq |
When the nucleus divides, the two chromatids that make up each chromosome separate from each other and move to opposite poles of the cell during this process? | mitosis | sciq |
What is the first stage of cellular respiration called? | glycolysis | sciq |
Sunlight gives plants the energy they need for what? | photosynthesis | sciq |
What is the energy of moving matter? | kinetic energy | sciq |
What is the movement of plates called? | plate tectonics | sciq |
What third property is different if two boxes have the same volume but one has greater mass? | density | sciq |
What is the total range of the energy from the sun called? | electromagnetic spectrum | sciq |
Adulthood is divided into how many stages? | three | sciq |
Unburned hydrocarbons can more easily be converted to carbon dioxide and water in the presence of a what? | catalyst | sciq |
A fundamental particle of matter, protons and neutrons are made of these? | quarks | sciq |
Cirrus, stratus, and cumulus are the main types of what? | clouds | sciq |
Which ductless gland releases secretions directly into surrounding tissues and fluids? | endocrine gland | sciq |
Melting points are temperatures that are high enough to separate liquids from which substances? | solids | sciq |
Surface tension of alveolar fluid, which is mostly water, creates an inward pull of the tissue of what organ? | lung | sciq |
There are three basic types of hormones: lipid-derived, amino acid-derived, and what? | peptide | sciq |
What drives the turbine in a thermonuclear reactor? | heated water or steam | sciq |
Which law states that a pair of alleles is separated, or segregated, during the formation of gametes? | law of segregation | sciq |
According to the octet rule, magnesium is unstable because its valence shell has just two of what? | electrons | sciq |
What areas of the planet are most birds native to? | tropical | sciq |
What kind of variation does a rate measure? | property to time | sciq |
What is the technical term for species that produce their own body heat and regulate their internal temperature independently of the outside temperature? | endothermic | sciq |
What element chemically weathers rock by combining with a metal? | oxygen | sciq |
What are the ice crystals that form on the ground called? | frost | sciq |
What is a measurement of the amount of variation of the species in a given area called? | biodiversity | sciq |
What type of cartilage contains no collagen? | lamprey cartilage | sciq |
The ether functional group consists of an oxygen atom which forms single bonds with what other atoms? | carbon | sciq |
What is the cloud of brown dust-like power that escapes when a puffball fungus is touched? | spores | sciq |
It may seem as though burning destroys matter, but the same amount of what, still exists after a campfire as before? | mass | sciq |
What is the area around the nucleus of an atom where electrons are likely to be, called? | electron cloud | sciq |
What are two common weather characteristics of hurricanes? | high winds and rainfall | sciq |
What type of invertebrates where the earliest animals? | aquatic invertebrates | sciq |
Diffusion can occur across a semipermeable membrane, such as the cell membrane, as long as a what exists? | concentration gradient | sciq |
Where is the potential energy of a river the highest at? | the source | sciq |
What is the most diverse and abundant group of organisms on earth, numbering in the millions of trillions? | bacteria | sciq |
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