Dichotomous Key Template
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Dichotomous Key Template

Vertebrate Classes

Has fur?

Has feathers?

Mammals

External fertilization

Yes

No

Birds

Yes

No

Has gills?

Reptiles

Fish

Amphibians

Yes

No

Yes

No

Vertebrate Classes Dichotomous Key

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publish time: 2021-02-26
Lisa Anderson

Vertebrate is any animal with a backbone. In this example, vertebrates are classified based on series of visible characteristics. If it has fur then it is classified as mammal else they are grouped based on feathers. If it has feathers then it is classified as bird else they are grouped based on dry skin. If it has dry skin then it is classified as 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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