61. Which of the following would not be interpreted as an adaptation to a very dry environment?
a. longer-than-normal loops of Henle in the vertebrate kidney
b. a gland that excretes a dilute salt solution
c. water-impermeable layer of wax on insect exoskeleton
d. enzymes that convert ammonia to uric acid
62. Which of the following statements is true about the flow of energy through the food pyramid?
a. The most energy is at the top of the pyramid, with the tertiary consumers, because the
energy increases at each level.
b. The most energy is at the bottom of the food pyramid because some is lost as it is
passed from producer to each level of consumer.
c. The energy is distributed equally at each level of the pyramid; very little is lost or added
moving from producers to tertiary consumers.
d. Energy doesn’t flow through the food pyramid; each level receives energy from the sun.
e. It depends on the ecological community; in some, there is more energy at the top of the
food pyramid, and in others, there is more energy at the bottom
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