六年级英语上册《Unit 3 Animal world》（Lesson 16）课件 人教新起点

crocodile ostrich penguin whale shark hippo zebra lion butterfly giraffe hummingbird reptile 爬行动物 mammal 哺乳动物insect昆虫 crocodile鳄鱼 ostrich 鸵鸟 penguin 企鹅whale 鲸 shark鲨 hippo河马 zebra斑马 lion狮子 butterfly蝴蝶 hummingbird蜂鸟 giraffe长颈鹿 wing翅膀 Mammals Mammals bodies are covered with hair or fur. Mother mammals feed milk to their babies. Mammals have warm blood Birds All birds have feathers. All birds have two wings. Mother birds lay eggs. Reptiles All reptiles have scales. Mother reptiles lay eggs. Most reptiles have four legs. A snake is a reptiles with no legs. Mammals: wings milk scales feather eggsReptiles: scales milk hair wings featherBirds: milk feathers scales sea Mammals: wings scales feathers eggsReptiles: milk hair wings feathersBirds: milk scales seamilkscales feathers First, I have wings. Second, I have feathers. What kind of animals am I ? You are a bird! First, I have scales. Second, I lay eggs. What kind of animals am I ? You are a reptiles! First, I have hair. Second, I have warm blood. What kind of animals am I ?You are a mammals!