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What is the term for interactions between individuals of different species over an extended period of time which impact the abundance and distribution of the associating populations?
A. food chain
B. parasitic relationships
C. symbiotic relationships
D. cooperative evolution
Answer: | C |
Plane mirrors work because the light rays create what behind the mirror?
A. a virtual example
B. a mirror image
C. a entire image
D. a virtual image
Answer: | D |
What do we call natural resources that are remade by natural processes as quickly as people use them?
A. renewable
B. geothermal
C. exotic
D. nonrenewable
Answer: | A |
What is the process of breaking down food into components the body can absorb called?
A. filtration
B. excretion
C. absorption
D. digestion
Answer: | D |
What controls what moves inside and outside the cell?
A. golgi apparatus
B. the plasma membrane
C. nucleus
D. mitochondria
Answer: | B |
Yeasts are single-celled fungi. about 1,000 species are recognized, but the most common species is saccharomyces cerevisiae, which is used in this?
A. cookie making
B. cake making
C. potatoes making
D. bread making
Answer: | D |
Another measure of the effectiveness of a machine is its what?
A. mechanical advantage
B. aesthetic effect
C. cost benefit
D. chemical advantage
Answer: | A |
What are biofilms resistant to many common forms of?
A. vaccination
B. termination
C. sterilization
D. assimilation
Answer: | C |
Fractures and faults are terms you hear when talking about?
A. earthquakes
B. magnets
C. storms
D. volcanoes
Answer: | A |
What are resources that can not be remade, or would take too long to remake to keep up wiht human use called?
A. green resources
B. nonrewable resources
C. renewable resources
D. photoreactive resources
Answer: | B |
Alkenes with the same atoms but different shapes are called what?
A. isomers
B. monomers
C. alcohols
D. isotopes
Answer: | A |
Which of the animals digest cellulose with the aid of methanogens?
A. apes
B. pigs
C. goats
D. cows
Answer: | D |
What is the major source of warmth for earth?
A. equator
B. the sun
C. the Moon
D. seasons
Answer: | B |
Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what?
A. enzymes
B. neurotransmitters
C. axons
D. receptors
Answer: | B |
Which organ is the control center of the nervous system?
A. the brain
B. the heart
C. the spine
D. the lungs
Answer: | A |
Continental climates are generally found in what areas of landmasses?
A. wetlands
B. inland
C. buttes
D. northerly
Answer: | B |
What mainly gives the body energy?
A. fuel
B. food
C. sunlight
D. water
Answer: | B |
A mineral can be made of an element or a?
A. Sediment
B. cell
C. compound
D. component
Answer: | C |
Herbivores are heterotrophs that eat only or mainly what?
A. animals
B. fish
C. plants
D. decayed matter
Answer: | C |
The heart is an organ in which system?
A. circulatory system
B. respiratory system
C. nervous system
D. immune system
Answer: | A |
What are the subatomic particles of the nucleus called?
A. nucleons
B. eukaryotes
C. cores
D. protons
Answer: | A |
Who wrote the book, on the origin of species?
A. Sagan
B. shaw
C. darwin
D. Scopes
Answer: | C |
Tar sands are rocky materials mixed with what?
A. magma
B. shale
C. very thick oil
D. coal
Answer: | C |
A current in a circuit needs a complete what?
A. speed
B. cause
C. path
D. stream
Answer: | C |
How do glucose, ions, and other larger molecules leave the blood?
A. through intercellular clefts
B. through veinous fissures
C. through capillary tips
D. through cell membranes
Answer: | A |
The basal forebrain contains what that are important in learning and memory?
A. oxygen
B. ribosomes
C. nuclei
D. atoms
Answer: | C |
What thin layer of air acts as a barrier to prevent cool air from mixing with warm air in the stratosphere?
A. liposphere
B. methosphere
C. endosphere
D. tropopause
Answer: | D |
What is the name for the male gamete?
A. ova
B. chromatid
C. egg
D. sperm
Answer: | D |
The strength of acids is measured on what scale?
A. qcd
B. ph
C. μg
D. Killalot
Answer: | B |
What term is also known as the contact activation pathway?
A. central pathway
B. intrinsic pathway
C. identical pathway
D. internal pathway
Answer: | B |
What comprises the contents of a cell between the plasma membrane and the nuclear envelope?
A. protoplasm
B. cerebellum
C. cytoplasm
D. cytoskeleton
Answer: | C |
What is used to convert concentrations to collisions per second?
A. speeds factor
B. collision meter
C. frequency factor
D. particles factor
Answer: | C |
The ovules, which are the female gametophytes, are held in what organ?
A. testes
B. uterus
C. abdomen
D. ovary
Answer: | D |
Snippet 2: one of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. the variation of properties versus position on the periodic table is called what?
A. chemical trends
B. acoust... | C |
Equilibriums are affected by changes in concentration, total pressure or volume, and this?
A. rate
B. temperature
C. time
D. oxygen
Answer: | B |
What type of seed-bearing structure of a flowering plant usually develop into?
A. Stem
B. fruit
C. Apple
D. food
Answer: | B |
What are ionic substances completely held together by?
A. localized bonds
B. thermal bonds
C. ionic bonds
D. magnetic bonds
Answer: | C |
What word do get from the arabic al-qili, meaning “ashes of the saltwort plant from salt marshes”?
A. water
B. metals
C. alkali
D. crystals
Answer: | C |
Metals are elements that can conduct what?
A. electricity
B. orchestras
C. pollution
D. cycle
Answer: | A |
The earth is like organisms in that it maintains a stable state, which is also known as what?
A. hibernation
B. ketosis
C. homeostasis
D. dormancy
Answer: | C |
The purpose of any cooling system is to transfer what type of energy in order to keep things cool?
A. thermal
B. atmospheric
C. physical
D. radiation
Answer: | A |
What is the heart's main task?
A. pump blood
B. make blood
C. split blood cells
D. clean blood
Answer: | A |
Which antibacterial protein is found in tears and saliva?
A. human lysozyme
B. human growth hormone
C. amino acid
D. dopamine
Answer: | A |
What elements tend to conduct well?
A. gases
B. metals
C. organics
D. oils
Answer: | B |
What type of masses are structureless particles that cannot spin?
A. weightless masses
B. inertial mass
C. turning masses
D. point masses
Answer: | D |
What do scientists use to search other planets suitable for living?
A. microscopes
B. telescopes
C. optics
D. lasers
Answer: | B |
All species of crocodilians have similar body structures, including an elongated snout, powerful jaws, muscular tail, large protective scales, streamlined body, and eyes and nostrils that are positioned on what?
A. top of head
B. below the neck
C. side of head
D. back of head
Answer: | A |
During adulthood, what is needed for the production of sperm?
A. estrogen
B. androgen
C. testosterone
D. steroids
Answer: | C |
What are solid lipids that animals use to store energy called?
A. steroids
B. hydrocortisol
C. cholesterol
D. fats
Answer: | D |
What in science are very important so that we can compare experimental data from one lab to another and make sure we all are talking about the same thing?
A. available measurements
B. standard measurements
C. uses measurements
D. Conventional measurements
Answer: | B |
What substances in a car battery can be melted and recycled?
A. lead and sodium
B. steel and sodium
C. lead and steel
D. lead and plastic
Answer: | D |
Unlike a crystalline solid, an amorphous solid is a solid that lacks a what?
A. atoms
B. weight
C. color
D. ordered internal structure
Answer: | D |
Many carbohydrates can enter glycolysis, most often after conversion to what?
A. insulin
B. sucrose
C. glucose
D. fructose
Answer: | C |
If a quantity of a reactant remains unconsumed after complete reaction has occurred, it is?
A. in excess
B. reduced
C. static
D. missing
Answer: | A |
Name the one metal that melts below room temperature?
A. gold
B. bronze
C. aluminum
D. mercury
Answer: | D |
The way a mineral cleaves or fractures depends on what part of the mineral?
A. the crust
B. the core
C. the crystal structure
D. the fault structure
Answer: | C |
Ultimately, most life forms get their energy from this?
A. heat
B. sun
C. earth
D. food
Answer: | B |
What was diorite commonly used for in ancient civilizations?
A. medicine
B. currency
C. school
D. art
Answer: | D |
Aquatic biomes in the ocean are called what?
A. marine biomes
B. jungle biomes
C. artificial biomes
D. arid biomes
Answer: | A |
When an ionic compound dissociates in water, water molecules surround each ion and separate it from the rest of the what?
A. gas
B. electron shell
C. solid
D. mixture
Answer: | C |
What device is used to measure temperature?
A. thermometer
B. anemometer
C. barometer
D. compass
Answer: | A |
What has the smallest, lightest atoms of all the elements and is colorless, odorless, tasteless and nontoxic, but highly flammable in its pure state?
A. hydrogen
B. helium
C. magnesium
D. barium
Answer: | A |
If two populations do not mate and produce fertile offspring, what results?
A. same species
B. small species
C. large species
D. separate species
Answer: | D |
What system includes the brain and the spinal cord?
A. muscular
B. digestive
C. central nervous
D. lymbic
Answer: | C |
Light is produced when charged particles do what, frequently in the form of oscillating?
A. decelerate
B. accelerate
C. offset
D. increase
Answer: | B |
Respiration rate correlates with what?
A. pressure
B. energy use
C. size
D. heat
Answer: | B |
What is the only commercial way of reproducing plants such as orchids?
A. sexual reproduction
B. grafting
C. cloning
D. cross-breeding
Answer: | C |
Birds adapted wings and weathers for flight during what process?
A. evolution
B. migration
C. emergence
D. variation
Answer: | A |
Which factor ruins renewable resources like soil and water?
A. resentful human action
B. careless human action
C. melancholic human action
D. hateful human action
Answer: | B |
How does the solubility of gases in liquids change with increasing temperature?
A. it increases
B. no change
C. it decreases
D. it stabilizes
Answer: | C |
What are all living things made of?
A. proteins
B. water
C. muscles
D. cells
Answer: | D |
Where does the nucleus store chromatin ?
A. xerophyte
B. chloroplasts
C. nucleoplasm
D. ribosome
Answer: | C |
What do the liver, gallbladder, and pancreas contribute that aid in digestion?
A. crystals
B. contaminants
C. chemicals
D. plasma
Answer: | C |
What are all tissues external to the vascular cambium called?
A. bark
B. larvae
C. nucleus
D. membranes
Answer: | A |
Spirals, spheres, and rods are examples of what distinguishing property of bacteria?
A. function
B. shape
C. color
D. organ
Answer: | B |
The goal of homeostasis is the maintenance of what, around a point or value called a set point?
A. equilibrium
B. agitation
C. steadiness
D. imbalance
Answer: | A |
What type of energy of a system is the sum of the kinetic and potential energies of its atoms and molecules?
A. external energy u
B. primary energy u
C. internal energy u
D. deep energy u
Answer: | C |
Primary batteries are single-use batteries because they cannot be what?
A. UP ticked.
B. recharged
C. refreshed
D. plugged
Answer: | B |
Layers of fat are formed by what type of tissue?
A. trypanosome tissue
B. colchis tissue
C. areolar tissue
D. adipose tissue
Answer: | D |
Basidiomycetes do what to wood and other plant material?
A. evolve
B. revive
C. evaporate
D. decompose
Answer: | D |
Pathogens infect many animals and are agents of what?
A. mutation
B. change
C. disease
D. drought
Answer: | C |
Sediments in oligotrophic lakes contain large amounts of what?
A. decomposable organic matter
B. algae
C. fertilizer
D. igneous rocks
Answer: | A |
What tides occur during the new moon and full moon?
A. spring
B. high
C. bottom
D. autumn
Answer: | A |
In passive transport, small molecules or ions move across the cell membrane without requiring input of what?
A. heating
B. pressure
C. water
D. energy
Answer: | D |
Some bacteria also have tail-like structures called what?
A. nuclei
B. sporangia
C. flagella
D. plasmids
Answer: | C |
People with which skin type run a greater risk of vitamin d deficiency?
A. brighter skin
B. lighter skin
C. darker skin
D. weaker skin
Answer: | C |
What happens to temperature in the troposphere as the altitude increases?
A. it stays the same
B. it increases
C. it decreases
D. it disappears
Answer: | C |
The kidneys help control acid-base balance by excreting _____ and generating bicarbonate that helps maintain blood plasma ph within a normal range?
A. magnesium ions
B. sodium ions
C. lithium ions
D. hydrogen ions
Answer: | D |
What does the geiger counter detect?
A. vibration
B. radiation
C. moisture
D. convection
Answer: | B |
Mollusks such as squid and octopi, which must hunt to survive, possess what complex organs containing millions of neurons?
A. brains
B. tentacles
C. gills
D. hearts
Answer: | A |
Which direction from the source do pollutants in an aquifer spread?
A. forward
B. outward
C. southward
D. inward
Answer: | B |
What type of activity in the brain causes epilepsy?
A. abnormal electrical activity
B. bleeding
C. toxic overload
D. hormone imbalance
Answer: | A |
What does a healthy immune system fight off?
A. bacteria and viruses
B. infections and other dieases
C. microorganisms and other dieases
D. respiratory and other dieases
Answer: | B |
Groundwater dissolves minerals and rocks into what?
A. sand
B. gravel
C. ions
D. grit
Answer: | C |
What is the term for a certain form of matter that has the same physical properties throughout?
A. phase
B. balance
C. wave
D. structure
Answer: | A |
Bacteria are responsible for many types of what in humans?
A. smells
B. food
C. diseases
D. colors
Answer: | C |
Humans and other animals can suffer from diets lacking in what essential "ingredients"?
A. fiber
B. steroids
C. liquids
D. nutrients
Answer: | D |
The size and symmetry of a beetle’s or an elk’s antlers or a grasshopper’s song communicate rather clearly their state of what?
A. health
B. need
C. problem
D. society
Answer: | A |
How is blood supplied from the mother to the fetus?
A. umbilical cord
B. brain stem
C. spinal cord
D. vagina
Answer: | A |
How long does membrane depoloriazation typically last for?
A. 3 seconds
B. 1 hour
C. one minute
D. 5 minutes
Answer: | C |
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