Classification of the animal kingdom

Year 6

Classification of Living Things

What is classification?

It is the grouping of living organisms

according to similar characteristics.

A scientist called Aristotle grouped animals according to the way they moved

The Animal kingdom is divided into 2 groups.

Vertebrates InvertebratesAnimals with a

backboneAnimals without a

backbone

Invertebrates include:

Snails

1) Mollusks(include many shelled

animals)

2) Echinoderms

Clams Sea urchin

Star fish

Invertebrates also include:

Spiders

Arthropods(Largest invertebrate phylum)

Crabs Insects

Lobster

Vertebrates include:

Mammals

Birds Fish Reptiles

Amphibians

Mammals

Hair or fur (to keep warm)

Ex. Polar bear

Lungs(to

breathe in

oxygen)Ex.

Whales

Give birth

to babies

. (Parents take care

of the baby,

until it can live alone)

Feed their

babies milk.

Birds

Feathers

Wings (to help

them fly)

Penguins have wings

but cannot

fly.

Two legs

Lungs(to

breathe oxygen

from the air)

Lay eggs

Penguin

Reptiles

Dry skin

Skin is covered with scales(thin flat plates to

protect the animal)

Lungs(reptiles

that spend lots of time in water go

to the surface to breathe oxygen)

Some lay

eggs, some give

birth.

Crocodile

Scales

Eggs have tough, leathery shells.

Fish

Live their whole life in water

GillsSkin

covered with

scales

Most lay

eggs, Some give birth

Amphibians

Lay eggs

in water

Moist skin

Young live in water. Adult live on land

Newt

Salamander

Toads

Frogs