Animals' life Do you know how do animals live?Fishes live in the river,poor and sea.They can't live without(没有)water.Mammals(哺乳动物) usually live on land(在陆地上),but whales live in the sea and they're mammals.Mammals's babies drink milk to grow up(长大肆崇务). Do you know Repiles(爬行动物) ?A snake is a kind of them.Repiles must bask(晒太阳) everday to make them feel warm.Incects are a bit(有一点) small.Some of them eat other insects and some eat plants.Some of them can fly very well,some can run fast.Some of them live in river and eat fish!Birds are pretty.They can fly.Some birds can sing sweetly(甜美地)and some look very colourful.Birds make a nest and lay eggs(产蛋脑源)in it.They find food for their babies till(直到) they can live alone(独自凡纪生活). 绝对原创,采纳吧