Mammals Multiple Choice Test

What is the name of the mammalian respiratory organ?

What large muscle aids in mammal breathing?

How many chambers are in the mammalian heart?

What chemicals do mammals use to regulate body activities?

What describes a mammal's ability to keep their bodies warm in cool temperatures?

What characteristic distinguishes marsupials from other mammals?

Which is the only group of mammals that lays eggs?

Which is not a mammalian characteristic?

Mammals that give birth to live young that are mature are called...

Mammals that give live birth to underdeveloped young are...

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