Tabulate the following features and compare raptilia,aves,mammalia,a) exoskeletonb) number of chambers in heart
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Reptilia- a) dry scales and claws b) Three chambers
Aves- a) feathers, claws and beaks b) Four chambers
Mammalia- a) skin, fur or hair present b) Four chambers
Aves- a) feathers, claws and beaks b) Four chambers
Mammalia- a) skin, fur or hair present b) Four chambers
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