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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