400
Many animals that live on the African plains are mammals. They have fur instead of feathers or scales. Unlike reptiles, they are warm blooded. Baby mammals drink their mother's milk. Giraffes, rhinos, and hippos are mammals. Lions and hyenas are mammals, too. What is the main idea? a) Many animals that live on the African plains are mammals. b) Mammals have fur instead of feathers or scales. c) Giraffes, rhinos, and hippos are mammals.
a) Many animals that live on the African plains are mammals.