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Explain how animals in vertebrata are cl...

Explain how animals in vertebrata are classified into further sub-groups.

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Vertebrates can be further classified into subgroups. This is based on simple to complex body structures and their functions. For examples-Fishes. have two chambered heart, Amphibians have three chambered heart and Birds and Mammals have four chambered hearts. These are chambered to keep oxygenated and deoxygenated blood separate.
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