Question

what are the difference between animal belonging to the avesgroup and and those in the mammalia group

Answer 1

aves have two chambered heart and mammals has 4 chambered heart

Answer 2

aves group -there are warm blooded animals and have a four chambered heart .they lay eggs. there is an outside covering of feathers and two forelimbs are modified for flight. they breathe through lungs. all birds fall in this category .
mammalia-mammals are warm blooded animals with four chambered hearts. they have mammary glands for the production of milk to Nourish their young.their skin has hairs as well as sweat and oil glands.most mammals familiar to us provide live young ones .however a few of them like the Platypus and the echidna Lays eggs and some like kangaroos give birth to very poorly developed young ones



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