Why donʹt reptilian embryos dry out in a desert habitat?
A) The placenta facilitates gas exchange between the mother and the embryo.
B) Reptiles produce shelled amniotic eggs.
C) Reptile eggs are protected by a jelly-like coating.
D) Reptiles are endothermic.
E) Reptiles produce lots of defensive slime.
Correct Answer:
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Q40: The skeletons of rays and skates are
Q41: Which vertebrate group has a three-chambered heart?
A)
Q42: Amphibians are not especially successful land -dwellers
Q43: Which of the following is TRUE of
Q44: To prevent dehydration, reptiles have
A) moist, slime-covered
Q46: Why canʹt amphibians be entirely terrestrial?
A) They
Q47: Birds belong to a related group of
Q48: Which of the following best describes the
Q49: A terrestrial vertebrate that has scales and
Q50: Why have reptiles successfully adapted to land?
A)
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