biology revision
- Created by: jemmasavage
- Created on: 11-06-15 13:49
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- vertebrates
- amphibians
- has moist skin and lays eggs in water
- fish
- mammals
- has hair and feeds the young with milk
- Reptiles
- has dry scaly skin and lays eggs on land,
- Birds
- covered in feathers and lays hard shelled eggs
- amphibians
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