Page 248 - New Medley 4 Semester 1
P. 248
The larva of butterfly is known as
caterpillar. It feeds on leaves and Knowledge Zone
grows rapidly. After some time, it 1. The larva of housefly is called maggot.
2. The pupa is an inactive stage. It does not eat
covers itself in a cocoon. Now, it is anything.
called a pupa. Finally, the cocoon 3. A female giant toad can produce about
bursts and the adult butterfly comes 35,000 eggs at a time.
out.
Animals like fishes, reptiles and insects do not take care of their babies. Many
of their babies do not survive as they are eaten up by other animals.
Animals like birds and mammals take good care of their babies. They feed them,
clean them and keep them safe until they learn to look after themselves.
• Understanding
Write True or False.
1. Frogs lay eggs in water.
2. Insects like the housefly have four stages in their life cycle.
3. An adult cockroach comes out of its egg.
4. The young ones of snakes get proper protection from their parents.
5. Birds do not take care of their young ones.
AT ONE GO
m All animals produce young ones of their own kind.
m Some animals give birth to young ones, others lay eggs.
m Animals that lay eggs have different stages in their life cycle.
m Birds and mammals take care of their young ones.
REMEMBER THESE TERMS
Reproduce : To produce babies
Cocoon : The protective cover of pupa of a butterfly
Hatching : Coming out of the young chick from the egg after it has fully grown
Incubation : Sitting on eggs to hatch them by the warmth of the body
Moulting : Shedding off of the old skin
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