NEET BIOLOGY

Detailed explanation-1: -Mammals are usually endothermic, breathe with lunge, give birth to live young, and have hair. Whales are endothermic meaning they are warm-blooded, and their internal temperature is maintained and doesn’t change based on their environment.

Detailed explanation-2: -BLUE JAYS, ROBINS, AND DUCKS ARE ALL BIRDS BECAUSE THEY ARE ENDOTHERMS, HAVE FEATHERS, WINGS, AN LAY EGGS. DEER, MICE, OPOSSUMS, RACCOONS, AND HUMANS ARE MAMMALS BECAUSE THEY ARE ENDOTHERMIC, HAVE HAIR, AND NOURISH THEIR YOUNG ON MILK.

Detailed explanation-3: -Answer: All mammals have fur or hair, give birth to live young, have lungs and need air to breathe, are warm blooded, have four limbs if they live on land, and feed their babies milk from their breasts.

Detailed explanation-4: -Mammals are vertebrate animals that are endothermic, have hair on their bodies, and produce milk to feed their babies. Many mammals give birth to live young that are small and helpless.

Detailed explanation-5: -Mammals are endotherms, which means that their bodies can generate heat in order to maintain a suitable body temperature. They have special glands called mammary glands which produce milk for feeding their young after they are born.