Why do wool-yielding animals (like sheep) have a thick coat of hair on their body?

Select the correct statements from the following. A. Animals that have outside ears and hair on their body give birth to the young ones. B. Animals that do not have outside ears and hair on their body lay eggs. C. Animals that do not have outside ears and hair on their body give birth to the young ones. D. Animals that have outside ears and hair on their body lay eggs.

When and why do some animals like frogs hibernate ?

Assertion. Whales can live in cold water as they have a thick coat of blubber under the skin. Reason. Blubber consists of adipose tissue that insulates the body.

Why do we need animal husbandry?