Question

Question 4 (10 points)

Which of the following is not a characteristic of Class Mammalia?

a. They have hair or fur at some point during development.
b. They are warm-blooded.
c. They breathe air.
d. They lay eggs.
e. The females of each species have mammary glands.
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Answer 1

I say E, The females of each species have mammary glands.