3 Name that vertebrate!
Fish, amphibians and reptiles
Fish, amphibians and reptiles are cold-blooded animals . They need the heat of the sun to keep warm.
Fish and their characteristics • Fish live in water. • Most fish are oviparous and lay eggs in the water. • They breathe through gills .
fins to swim
body covered in scales
gills
Amphibians and their characteristics Amphibians become adults through a process called metamorphosis :
1
2
Frogs are oviparous animals. They lay eggs in water.
Tadpoles (baby amphibians) live in water. They breathe through gills .
4
Adult frogs live on land and in water. They breathe through moist skin and lungs .
3
Tadpoles change into froglets (young frogs). They have two front legs.
6
Made with FlippingBook Publishing Software