Which of the following is a behavioral response to environmental variability?
A) migrating to a different location
B) acclimation
C) endothermy
D) "flagging" by trees
A
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Bioluminescence, as seen in squids, is possible because:
A. specialized cellular organelles of squids carry out a chemical reaction that results in light production. B. symbiotic bacteria housed in specialized organs of the squid are capable of generating light. C. squids produce a fluorescent product during cellular respiration. D. squids produce a mucous layer that reflects light energy.
Ca+ ion channels are found:
A. only at the axon terminal membrane. B. only along the terminal ends of the dendrites. C. throughout the length of the axon. D. throughout the entire neuron. E. only at the axon hillcock.
An inanimate object that harbors and transmits a pathogen is a ________.
A. vector B. source C. fomite D. reservoir E. carrier
For photosynthesis in green plants, the electron donor for the light dependent reaction is
A. RuBP. B. chlorophyll II. C. oxygen. D. water. E. carbon dioxide.