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

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

Page 1: Classify animals as scientists do. Classify animals as scientists do Scientists first divide animals into two main groups according to whether they have.

Classify animals as scientists do

Page 2: Classify animals as scientists do. Classify animals as scientists do Scientists first divide animals into two main groups according to whether they have.

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?

Page 3: Classify animals as scientists do. Classify animals as scientists do Scientists first divide animals into two main groups according to whether they have.

Classify animals as

scientists do

Example 1

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

Page 4: Classify animals as scientists do. Classify animals as scientists do Scientists first divide animals into two main groups according to whether they have.

Classify animals as

scientists do

Example 2

Does penguin have a backbone?

Yes, it has.

Page 5: Classify animals as scientists do. Classify animals as scientists do Scientists first divide animals into two main groups according to whether they have.

Classify animals as

scientists doExample

3

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

Page 6: Classify animals as scientists do. Classify animals as scientists do Scientists first divide animals into two main groups according to whether they have.

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

Page 7: Classify animals as scientists do. Classify animals as scientists do Scientists first divide animals into two main groups according to whether they have.

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

Page 8: Classify animals as scientists do. Classify animals as scientists do Scientists first divide animals into two main groups according to whether they have.

Classify animals as scientists doAnimals with a

backbone

withfins

withmoist skin

withhard

dry scales

withfeathers

withhair & milk

glands

AmphibianAmphibian

ReptileReptile

BirdBird

MammalMammalFishFish