Incubation is the period in which the mother or father bird often warms and protects the eggs until they hatch into young birds called chicks.

Animals that give birth to their young ones are called mammals. For example, cats, dogs, human beings, etc. In mammals, the young ones develop inside the body of the mother. They feed milk to their young ones.

Nymphs are the young ones of insects that come out of the eggs and look like the adult insects. They are part of the life cycle of insects. For example, insects like cockroaches and grasshoppers hatch eggs into nymphs.

It is the process of emerging young ones from eggs. The mother or father bird often warms and protects the eggs until they hatch. Birds, frogs, and snakes are some well-known animals that lay eggs.