1.

Explain how animals in Vertebrata are classified into furthersubgroups.

Answer»

Vertebratesare furtherclassified according toseveral criteria like exoskeleton, respiratory organs, method of giving birth, number of chambers in heart, mode of living etc. They are furtherclassified intoclasses Pisces, Amphibia, Reptilia, Aves and Mammals. Pisces include the fishes.



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