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What make mammals different from all other vertebrates?

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Hair and milk.
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What makes mammals different from other animals?

Mammals have skin with hair or fur, while birds have feathers, reptiles have scaly skin, amphibians have moist skin and fish have scales. Mammals are warmblooded and have a

Are all amphibians and vertebrates mammals?

No. There are no amphibians that are mammals. Amphibians are the frogs, toads, salamanders and newts plus their kind. And none of them are mammals.   Not all vertebrates ar

How are mammals different from other vertebrate animals?

The presence of a backbone (a "vertebrae") does not DEFINE a mammal because other animals also have backbones, eg reptiles, birds and fish - these animals are also "vertebrate

What characteristics do mammals have that are different from other vertebrates?

Mammals, along with birds, are warm-blooded. Along with reptiles and birds, they are amniotes. Mammals are unique among vertebrates in that they have hair somewhere on their b

Are all mammals vertebrate and endothermic?

Yes. All mammals have a backbone, and are therefore vertebrate. And all living mammals are endothermic, which is the scientific term for warm-blooded, meaning they generate th