Which substance is a waste product of nitrogen metabolism in some amniotes that is excreted as a semisolid paste, reducing water loss?
A) nitric oxide
B) uric acid
C) squalene
D) urea
E) ammonium
Correct Answer:
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Q38: Salamanders belong to the _ lineage.
A) Caudata
B)
Q39: The _ lineage contains the fleshy-finned fishes,
Q40: The tympanum and stapes are used in
Q41: Which substance is a typical source of
Q42: Crocodiles are living representatives of _.
A) anapsids
B)
Q44: American alligators are living members of the
Q45: Members of the _ lizard genus are
Q46: Which structure do turtles lack?
A) carapace
B) jaws
C)
Q47: The _ lineage was a diverse group
Q48: The majority of mammal species living today
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