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they have hair/fur and produce milk. they are warm blooded​

Sagot :

Answer:

Mammals

Explanation:

Mammals are a group of animals (vertebrates) that have backbones and hair or fur. They are warm-blooded (endothermic), and they have four-chambered hearts. They also feed their young with milk from the mother's body. ... These three groups are monotremes, marsupials, and the largest group, placental mammals.