Which of the following statements is false?
a. Endotherms have a higher metabolic rate than
ectotherms.
b. Endotherms can regulate their temperature
through behavior.
c. Ectotherms regulate their temperatures through
behavior.
d. Heterotherms may function as either an
ectotherm or an endotherm.
e. Ectotherms do better in cold climates.
Answer: e
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Which of the following is not a level of organization in the vertebrate body?
A. cells B. bones C. tissues D. organs E. organ systems
A retrovirus produces an enzyme, called reverse transcriptase, which copies its RNA genome into DNA. This is opposite of the central dogma because
A) a virus is not an organism. B) a virus lacks genetic material. C) the central dogma states that RNA is copied into DNA. D) the central dogma states that DNA is copied into RNA.
One of the earliest uses of biotechnology was
A) creating transgenic organisms. B) creating bacteria that synthesized human insulin. C) extracting and using biochemicals from microorganisms. D) using yeast to ferment fruit into wine.
After reaching the inner ear, the frequency of a sound primarily affects
A. the vibrational amplitude of the tectorial membrane. B. the location of the greatest basilar membrane vibration. C. the amplitude of basilar membrane vibration.