Page 30 - Active Science 5 Ebook and Activity

Glossary

• Habitat : The environment in which an organism naturally lives and
reproduces.

• Desert : Sandy lands with very little rainfall.
• Fresh water : Water in ponds, rivers and lakes.

• Ocean : The largest habitat of the earth that contains salty water.
• Fins : Organs of locomotion in fish.

• Gills : Organs of respiration in fish.
• Adaptation : The modification of structure and function of an organ to adjust
its habitat.
• Moulting : The process of shedding of old skin to replace it with the new skin

• Blubber : A thick layer of fat under the skin of animals that gives them warmth
• Aquatic animals : Animals living in water.

• Migration : In response to seasonal changes, animals move over to other places.

Practise Time

A. Choose the correct option.
1. The place where a particular animal lives is known as ______________.
a. habit b. shelter

c. habitat d. house
2. Spiracles are found in

a. insects b. earthworms
c. birds d. frogs

3. The animal which is not shelled is ______________.
a. tortoise b. turtle

c. snail d. starfish
4. Which one of the following is not a land animal?
a. Snake b. Octopus

c. Crocodile d. Squirrel
5. Animals that live both in water and on land are called ______________.

a. amphibians b. aquatic animals
c. reptiles d. birds

B. Fill in the blanks.

1. Snakes and rabbits live in ______________.
2. Desert habitats are sandy lands with ________________ rainfall.

30 Active Science-5