Biology, asked by sharafatkhan766, 23 days ago

The unique character of animals belonging to class mammalia is O bipedal locomotion O completely four chambered heart O the presence of mammary glands O fertiisation is internal.​

Answers

Answered by debaprasadmohanta2
1

Answer:

completely four chambered heart

Answered by umadevigunnu42
1

Answer:

the unique character of animals belonging to class mammalia is

presences of mammary glands

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