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 dividedinto 2 groups.

Vertebrates Invertebrates

Animals with a backbone

Animals 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

Gills

Skin 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