Completar Frases BIRDS, MAMMALS AND FISH.Versión en línea 2º PRIMARIA. SCIENCE. Complete the text. por Gonzalo Barral 1 feathers viviparous fur gills beak scales eggs lungs fins 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 .
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