42. Osmoregulation and Excretion
Osmoregulation and Excretion
Multiple Choice
Multiple ChoiceMany insects, birds, and other reptiles excrete nitrogenous wastes in the form of uric acid, which __________.
A
is synthesized in the kidneys from ammonia and CO2
B
readily decomposes on exposure to air
C
is readily excreted through feathers and scales
D
can be recycled and utilized as an additional energy source
E
forms solids that are relatively insoluble and nontoxic
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