Vertebrate Dichotomous Key
A vertebrate is an animal with a backbone. In this example, vertebrates are classified based on a series of visible characteristics. If it has fur, then it is classified as a mammal else they are grouped based on feathers. If it has feathers, then it is classified as a bird else they are grouped based on dry skin. If it has dry skin, then it is classified as a Reptile else divide the group based on scales. If it has scales, it is classified under fishes else classified under Amphibians.
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