Classify animals as scientists do. Classify animals as scientists do Scientists first divide animals...

Classify animals as scientists do

Classify animals as

scientists do

• Scientists first divide animals into two main groups according to whether they have a backbone or not.

• What is a backbone?

Classify animals as

scientists do

Example 1

Does Chi Keung have a backbone?Yes, he has.

Classify animals as

scientists do

Example 2

Does penguin have a backbone?

Yes, it has.

Classify animals as

scientists doExample

3

Does butterfly have a backbone?No, it does not.

Classify animals as

scientists do All animals (A to T)

animals with a backbone

animals with no backbone

A, B, D, E, G, J,

K, M, P, Q, R, S

C, F, H, I,

L, N, O, T

Classify animals as

scientists do All animals (A to T)

animals with a backbone

animals with no backbone

fishfish

amphibians

amphibians

reptiles

reptiles

birdsbirds

mammals

mammals

Classify animals as scientists doAnimals with a

backbone

withfins

withmoist skin

withhard

dry scales

withfeathers

withhair & milk

glands

AmphibianAmphibian

ReptileReptile

BirdBird

MammalMammalFishFish