Animal and their young ones (Reference: Collins)

Front

What is reproduction?

Back

Biological process by which organisms make more organisms like themselves.

Front

What are the different in which animals reproduce?

Back

1. 1. Laying Eggs

2. 2. Giving birth

Front

What is incubation?

Back

Incubation means keeping the eggs warm until the baby animals inside them hatch. Eg: A hen sits on her eggs to keep them warm during incubation.

Front

What is metamorphosis?

Back

The process of transformation of a young one into an adult which looks completely different is called metamorphosis.

Front

How do mammals take care of their young ones?

Back

By keeping their babies clean and warm; feeding them and protecting them from enemies.

Front

Explain life cycle of butterfly.

Back

The life cycle of a butterfly has four stages. Butterflies lay their eggs on leaves.

a. A small worm-like caterpillar hatches from the eggs. This stage is called larva.

b. The caterpillar grows by eating the leaves to a stage known as pupa.

c. Pupa builds an protective covering around itself.

d. The pupa sheds its old skin many times and adult butterfly comes out.

Front

What are aquatic animals? Mention their specific features.

Back

Some mammals such as dolphins and whales live in water. They are called aquatic mammals. They do not have hair on their body. They breathe through lungs and often come up to the water surface to breathe in air.

Front

Write any four ways in which insects and animals are useful in nature.

Back

Write any four from textbook.