Question

what are the identifying features of mammals?

Answer 1

All mammals:

Are vertebrates (which means they have a backbone or spine).

Are endothermic. Also known as “warm-blooded,” endothermic animals regulate their own body temperate which allows them to live in almost every climate on Earth.

Have hair on their bodies.

Produce milk to feed their babies.

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Answer 2

mammals give birth to their young ones and also gives milk to them.