As temperature decreases, the metabolic rate of an endotherm typically ____ and the metabolic rate of an ectotherm
typically ____.
a. decreases; decreases
b. increases; decreases
c. decreases; increases
d. increases; increases
e. increases; remains the same
ANSWER: b
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A) a large body size. B) a long generation time. C) a long time of infection relative to the host's expected life span. D) direct transmission from one host to another.
The stage of prophase I in which mammalian oogenesis can arrest for years is
A) leptotene. B) zygotene. C) pachytene. D) diplotene. E) diakinesis.
Which of the following receptors does not trigger depolarization of a sensory neuron?
A. Photoreceptors B. Exteroceptors and interoceptors C. Mechanoreceptors D. Chemoreceptors E. G-protein receptors
In a population of Asian elephants, the death
rate equals the birth rate. This population has
a. reached its biotic potential. b. achieved zero population growth. c. not exceeded its carrying capacity. d. exponential growth. e. geometric growth.