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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 the other four vertebrates?

What makes you a mammal?   You need to be hairy. All mammals have this distinguishing feature.  You need to have modified sweat glands that produce milk for your young. As

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

What makes echidnas different from other Vertebrates?

Echidnas are different as, like platypuses, they are egg-laying mammals. This group of vertebrates, known as the monotremes, is unique: their method of reproduction is laying

How do mammal kidneys differ from the kidneys of other vertebrates?

Only mammalian kidneys have a renal pelvis (dilated beginning of the ureter) and renal pyramids (8 to 18 cone-shaped tissues in the renal medulla). The renal medulla (the inne