UNIT 3 ANIMALS

INDEX

• Classification of living things

• Classification of animals

• VERTEBRATES

• INVERTEBRATES

• Animal nutrition

• Food chain

• LET’S PRACTICE…

CLASSIFICATION OF LIVING THINGS

Living things are born, grow, reproduce and die.

Living things have three life processes:

nutrition, interaction and reproduction.

We classify animals and plants into two kingdoms…

CLASSIFICATION OF LIVING THINGS

CLASSIFICATION OF ANIMALS Animals are classified into vertebrates and invertebrates

VERTEBRATES

Mammals

• are viviparous.

• For example: lion and panda

Birds

• have feathers.

• For example: parrot and owl

Reptiles

• have scales.

• For example: Snake and crocodile

Amphibians

• have wet skin.

• For example: Frog and salamander

Fish

• have fins and live in the water.

• For example: shark and lionfish.

INVERTEBRATES

MOLLUSCS

ARTHROPODS

WORMS

Arthropods have three body parts: head, thorax and abdomen.

Head

Abdomen

Thorax

Spiders and insects are arthropods.

ANIMAL NUTRITION Animals can be herbivores, carnivores or omnivores.

FOOD CHAIN

A food chain can be defined as…

a system that explains the feeding system between different living things in a particular environment.

Let’s practice!

NOW…

Classify these words into living things and non-living things

crocodrile cupboard vase scissors snake

Living things Non-living things

giraffe kite human being zebra ball

Write the names of these animals in the correct

column:

Vertebrates Invertebrates

Complete these sentences with the words in the box:

Label this arthropod:

Head Thorax Abdomen

Complete these sentences:

a) ______________ (omnivore/carnivore) eat other animals.

b) ______________ (omnivore/herbivore) eat plants.

c) _______________ (carnivore/omnivore) eat both animals and plants.

Are these sentences true (t) or false (f)?

Molluscs, mammals, and worms are invertebrates.

Mammals, birds, reptiles, amphibians and fish are vertebrates.

We classify animals and plants into the Animal Kingdom and the

Human Kingdom.

A food chain has three different parts: producers, consumers and

decomposers.