Question

class 9th Biology question write the five character of mammalia​

Answer 1

Answer:

Mammals give birth to young ones

they have mammary glands

they have sebaceous glands

Answer 2

Answer:

• mammalian are the most advanced member of animal kingdom .they are found in diverse habitats .

• the body is divisible into -head, neck ,trunk and tail.

• the the skin has his as well as sweat and oil glands .

•they have two pairs of pentadactyle limbs .

•they have mammary glands which is used to feed the young ones with milk.

•they are warm blooded animals with four chambered heart.

•external ear or pinna is present.

•they are provided with movable eyelids .

•They are heterodontus. they have two sets of teeth during the life .respiration through lungs.

•they are viviparous (except duckbill platypus and echidna)

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