In the egg stage of an organism, energy is obtained from

The white part in the egg is called

In the above diagram of life cycle of a butterfly, in which stage does the organism cover itself in a cocoon?

What does an egg yolk contain that gives energy to embryo?

Which one of the following reproduces by laying eggs?

The eggs of fish are called

A dolphin is

Animals need to reproduce to

A student observed that birds sit on their eggs before the eggs are hatched into young ones. The reason is

The larva of a butterfly is called