Physiological changes that occur in ectotherms in response to seasonal temperature shifts are called ____
a. estivation
b. hyperthermia
c. thermal acclimatization
d. hypothermia
e. hibernation
ANSWER: c
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Which of the following RNAs use a Ran-independent pathway for the transport of RNA across the nuclear membrane?
A. mRNA B. tRNA C. rRNA D. snRNA E. miRNA
Energy gathering or concentrating mechanisms that allow light to be collected more efficiently during photosynthesis are called
A. mitochondria. B. photosystems. C. light-independent reactions. D. ribulose.
Contractile vacuoles maintain osmotic balance by ________.
A. expelling water from the cell B. sensing surrounding moisture levels C. filtering ions D. drawing water into the cell