A distinctive characteristic of mammals that is not observed in other vertebrates is _____. Question 3 options: a) internal fertilization b) body hair c) the presence of a cloaca d) endothermy e) a vertebral

A distinctive characteristic of mammals that is not observed in other vertebrates is _____.

Question 3 options:

a)

internal fertilization

b)

body hair

c)

the presence of a cloaca

d)

endothermy

e)

a vertebral column

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A distinctive characteristic of mammals that is not observed in other vertebrates is _____. Question 3 options: a) internal fertilization b) body hair c) the presence of a cloac…

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