The World of Animals Chapter Notes | Environmental Studies Class 1 ICSE PDF Download

Introduction

Where Do Animals Live?

Wild Animals Live in Natural Shelters Like Caves, Lakes, or in the Forest:

• Some animals do not live with us at home or on farms.
• These animals are called wild animals.
• Wild animals mostly live in forests.
• We can also see wild animals in zoos or national parks.
• Examples of wild animals are lions, tigers, crocodiles, and monkeys.
• Wild animals live in natural homes like caves, lakes, or forests.
• A bear lives in a cave.
• A lion lives in a den.
• Some animals like elephants live in a forest.

Pets and Farm Animals Live in Man-Made Homes:

• Pets and farm animals live in homes made by people.
• A buffalo lives in a shed.
• A horse lives in a stable.
• A dog lives in a kennel.

Birds Live on Trees and Build Nests to Lay Eggs:

• Birds live on trees and make nests to lay their eggs.
• A woodpecker lives on a tree.
• A tailorbird lives on a tree.
• A sparrow lives on a tree.
• The tailorbird is the bird that stitches leaves together to make its nest.

Animals Live in Holes Made in the Ground:

• Some animals live in holes in the ground.
• These holes are called burrows.
• A rat lives in a burrow.
• A rabbit lives in a burrow.

Animals Live Both on Land and in Water:

• Some animals like tortoises, frogs, and crocodiles can live both on land and in water.

What Do Animals Eat?

Animals eat different kinds of food:

Some Animals Eat Only Grass, Fruits, and Leaves:

• These animals are called plant-eating animals or herbivores.
• A zebra eats grass, fruits, and leaves.
• An elephant eats grass, fruits, and leaves.
• A deer eats grass, fruits, and leaves.

Some Animals Eat the Flesh of Other Animals:

• These animals are called flesh-eating animals or carnivores.
• A lion eats the flesh of other animals.
• A leopard eats the flesh of other animals.
• A snake eats the flesh of other animals.

Some Animals Eat Both Plants and Animals:

• These animals are called omnivores.
• A bear eats both plants and animals.
• A crow eats both plants and animals.

Some Animals Eat the Flesh of Dead Animals:

• These animals are called scavengers.
• A fox eats the flesh of dead animals.
• A jackal eats the flesh of dead animals.
• A vulture eats the flesh of dead animals.

Fun Fact

• A python can swallow an animal bigger than itself.
• An ant can also swallow an animal bigger than itself.

Animals Move in Different Ways

Some Animals Have Legs to Move:

• Animals like lions, rabbits, and deer have legs.
• They walk and run on land with their legs.

Some Animals Do Not Have Legs:

• Animals like snakes and earthworms do not have legs.
• They crawl on land.

Some Animals Have Wings to Fly in the Air:

• Birds have wings to fly.
• Some insects like mosquitoes and houseflies have wings to fly.

Fish Swim in Water Using Their Fins and Tails:

• Fish do not have legs or wings.
• Fish swim in water using their fins and tails.

We Should Treat Animals

• We should not keep wild animals as pets.
• We should let wild animals live in their natural homes.
• Wild animals need to live in forests or natural places, not in our homes.