Although they are mammals, monotremes lack
A) ovaries in females.
B) a four-chambered heart.
C) hair.
D) nipples.
E) mammary glands.
Correct Answer:
Verified
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)
Q51: An animal that has a four-chambered heart,
Q53: One adaptation that enables an animal to
Q54: Which characteristic do birds share with mammals?
A)
Q55: Which of the following is essential for
Q56: A marsupial is a(n)
A) amphibian.
B) bird.
C) mammal.
D)
Q57: A tadpole is a(n)
A) amphibian.
B) cartilaginous fish.
C)
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