Mammals
Mammals are vertebrates with hair or fur, and their mothers feed their babies on milk. They breathe with lungs and keep their bodies warm. Most are born, not hatched from eggs. Cats, cows, bats, whales and people are all mammals.
Depth 1 · Foundation
You can tell a mammal by its hair or fur and by mothers feeding their young on milk, even a mammal that lives in the sea.
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Foundation
You can tell a mammal by its hair or fur and by mothers feeding their young on milk, even a mammal that lives in the sea.
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