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Let’s
Revise

 The process by which living things produce young ones of their own kind is called
reproduction.

 Birds, insects etc. reproduce by laying eggs.
 Tadpole looks different from an adult frog as it has tail but no legs.
 Animals that give birth to their young ones are called mammals.

Points to Remember

Life cycle : Various stages of development of a young one to an adult

Caterpillar : The first stage of the life cycle of the butterfly

Metamorphosis : A change of young one to an adult in insects

E XE R C I S E

A. Tick () the correct answer.
1. The animals like sparrow and parrot reproduce by laying eggs/giving birth.
2. A tadpole looks like a tiny fish/an adult frog.
3. The young one of a butterfly is known as chick/caterpillar.
4. Whale/Frog gives birth to young one.
5. The young one of a lion is called a cub/kid.

B. Fill in the blanks.
1. The living things have the capability to _______________.
2. Tadpoles breathe through their _______________.
3. When the baby bird comes out of the house, it cannot _______________.
4. Insects reproduce by laying _______________.
5. The butterfly lays egg on _______________.

C. Give one word answer.
1. Give an example of a bird that lays egg.
____________________________________________________________________
2. How do tadpoles breathe through their gills or ears?
____________________________________________________________________

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