Page 25 - Active Science 5 Ebook and Activity

3. Shell: Animals such as turtles, snails
and tortoises are protected by a hard

shell. When these animals sense
danger, they withdraw their head and
feet into the shell. This hard shell Snail
safeguards them from predators. Turtle
Shell Shell
4. Feathers: The birds fly in air easily

due to feathers. Feathers also keep Flight feathers
them warm during the cold weather.
Additionally, birds also have a light
Tail Feathers
body and hollow bones that enable an Down feathers
easy flight.

5. Hard body covering: Grasshopper
and cockroaches are insects which have Chitin
a hard body covering. This covering is

made of a substance called chitin.

Cockroach
Grasshopper

Let’s Recapitulate

Fill in the blanks.
1. Scales prevent _________________ loss from body.

2. Birds have _________________ bones.
3. The body of _________________ is covered with fur.

4. Snakes shed their _________________.
5. Shedding of old skin to be replaced with the new skin is called ______________.
6. _________________ forms a protective covering in insects.

Activity 2.1

Visit the biology laboratory in school. Try to find a frog kept in a big jar filled with water. Make
five observations about adaptations that help it to live in water.

B reathing Organs

Breathing is essential for survival. Animals living in different habitats have different

breathing organs to adjust in their environment.

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Active Science-5