Mammals - They have fur and skin. They usually have four legs. Viviparous and they breathe through lungs. , Fish - They have scales, fins and tails. Oviparous and they breathe through gills. , Reptiles - They have scales. They usually have four legs, except snakes. Oviparous and they breathe through lungs. , Birds - They have feathers, two legs and two wings. Oviparous and they breathe through lungs. , Amphibians - They have smooth skin and four legs. Some have a tail. Oviparous. They breathe through gills (young) and lungs (adult).,

Match the vertebrates with their characteristics:

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