Ectothermic animals regulate their body temperature by ____.
A. adjusting their metabolism
B. relying on insulation such as feathers
C. growing hair
D. foraging for food
E. altering their position
Answer: E
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The phenomenon through which populations of organisms change over several generations is termed
A. homeostasis. B. growth and development. C. reproduction. D. biological evolution. E. organization.
A big obstacle preventing the protection of coastal wetlands is:
a. lack of laws protecting wetlands. b. lack of interested groups. c. politically-motivated decisions to change the definitions of wetlands. d. lack of scientific understanding about the ecosystems. e. none of the above.
Leptin has its effect on the
a. small intestine. b. stomach. c. brain. d. skeletal muscles. e. liver.
The first law of thermodynamics states that ________.
What will be an ideal response?