Biology, 12.04.2021 20:20, SenpaiTaii

Although birds and mammals descended from different ancestors, they both have a four-chambered heart. This is the result of Although birds and mammals descended from different ancestors, they both have a four-chambered heart. This is the result of convergent evolution. the simplification of the cardiovascular system. the necessity for rapid movement of blood. genetic aberrations that resulted from mistakes in somatic cell division.

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