Which characteristic do birds share with mammals?
A) A four- chambered heart
B) Hollow bones
C) Mammary glands
D) A single ovary in females
E) Sweat glands
Correct Answer:
Verified
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
Q54: Why can't amphibians be entirely terrestrial?
A) Their
Q55: A marsupial is a(n)
A) mollusk.
B) bird.
C) reptile.
D)
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
Q60: Why don't reptilian embryos dry out in
Q63: Craniates have skulls made of either bone
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