Amphibians are not especially successful land dwellers because of their:
A) production of a shelled amniotic egg.
B) reliance on moist skin for gas exchange .
C) lungs that are supplemented by air sacs.
D) two-chambered hearts.
E) choice of prey.
Correct Answer:
Verified
Q48: Why don't reptilian embryos dry out in
Q49: Why can't amphibians be entirely terrestrial?
A)Their digestion
Q50: A terrestrial vertebrate that has scales and
Q51: Although they are mammals, monotremes lack:
A)ovaries in
Q52: Which of the following is essential for
Q54: Which of the following is TRUE of
Q55: Why have reptiles successfully adapted to land?
A)They
Q56: To prevent dehydration, reptiles have:
A)embryos that lack
Q57: One adaptation that enables an animal to
Q58: Which vertebrate group has a three-chambered heart?
A)lobe-finned
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