Scientists Say: Mammal
Mammal (noun, “MAM-mal”) Mammals are a diverse group of animals. They include about 6,600 known, living species. Many of them, including humans, cats and dogs, live on land. Others, such…
Mammal (noun, “MAM-mal”) Mammals are a diverse group of animals. They include about 6,600 known, living species. Many of them, including humans, cats and dogs, live on land. Others, such…