Why can't amphibians be entirely terrestrial?
A) Their digestion is adapted for consuming aquatic prey.
B) Their limbs are not adapted to support their bodies on land.
C) They have a three- chambered heart that is not efficient enough for terrestrial life.
D) Their reproduction requires water to allow fertilization and keep eggs moist.
E) They do not have lungs but instead have gills that require water for gas exchange.
Correct Answer:
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Q49: To prevent dehydration, reptiles have
A) scaly skin.
B)
Q50: An animal that has a four- chambered
Q51: Why have reptiles successfully adapted to land?
A)
Q52: Birds belong to a related group of
Q53: Which of the following is essential for
Q55: A marsupial is a(n)
A) mollusk.
B) bird.
C) reptile.
D)
Q56: Which characteristic do birds share with mammals?
A)
Q57: Why do amphibians need a moist environment?
A)
Q58: A terrestrial vertebrate that has scales and
Q59: One adaptation that enables an animal to
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