Page 47 - Viva ICSE Science 4 : E-book

• Body colour of some animals like zebra, polar bear
and chameleon blend with their surroundings to

save themselves from their enemies. This is known as
camoufl aging.

Some animals like porcupines have sharp spines to
protect themselves from enemies. Others like snails A chameleon camoufl aged

hide inside their shells in case of any threat. between leaves

Adaptations in aquatic animals

Aquatic animals are the animals that live only in water. Fish, seahorse and octopus are
some aquatic animals. They have the following features that help them to live in water.

• Aquatic animals have a streamlined or spindle-shaped
body that help them to move through water easily.

• Most of them have fi ns or limbs that help them
to swim in water. Aquatic birds like duck and geese

have webbed feet which act as paddles and help
A fi sh has fi ns to swim
them to push water back and move forward while
swimming.

• Fish have gills to breathe inside water. But there are
some exceptions like whales and dolphins, which have
lungs to breathe.

A duck paddling on water
Adaptations in amphibians

Amphibians are the animals that live both on land and in water. Frogs and toads are
some examples of amphibians. They have the following adaptations to live both on land
and in water.

• Frogs and toads have webbed feet that help them
swim or paddle in water.

• Their back legs are stronger than their front legs and
help them jump and move on land.

• They have moist skin to breathe inside water and lungs

to breathe on land. Animals like turtles have shells to A frog has webbed feet
protect themselves in case of any threats. to paddle in water

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