BIRDS, MAMMALS AND FISH.

Birds lay ____________________ . Their bodies are covered with ____________________ . They have got two wings , a tail and a ____________________ .
Mammals are ____________________ animals . Their bodies are covered in ____________________ or hair . They breathe with their ____________________ .
Fish live in water . They lay eggs . Their bodies are covered in ____________________ and they have got ____________________ . They breathe through their ____________________ .