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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](https://reader035.vdocuments.net/reader035/viewer/2022062301/56649f115503460f94c23ae2/html5/thumbnails/2.jpg)
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?
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Classify animals as
scientists do
Example 1
Does Chi Keung have a backbone?Yes, he has.
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Classify animals as
scientists do
Example 2
Does penguin have a backbone?
Yes, it has.
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Classify animals as
scientists doExample
3
Does butterfly have a backbone?No, it does not.
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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
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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
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Classify animals as scientists doAnimals with a
backbone
withfins
withmoist skin
withhard
dry scales
withfeathers
withhair & milk
glands
AmphibianAmphibian
ReptileReptile
BirdBird
MammalMammalFishFish