Скачать или смотреть Class Mammalia || Characters and Classification notes explain in hindi

Class Mammalia - General characters and classification full explained in Hindi by Muskan perween.

Mammals are the tetrapod vertebrates found in variety of habitats.
they have milk producing mammary glands.
skin is covered by hairs.
external ears or pinna present.
etc.

they classified into two subclass prototheria and theria
prototheria is egg laying mammals such as platypus.
theria include viviparous mammals.
it further has two infraclass.

Their special characters and their classifications Sufficient notes for all the zoology degree students or intermediate students.

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