Ns3 unit 2 vertebrates and invertebrates 20 21

2. NATURAL SCIENCE UNIT 2 ANIMALS

3. VOCABULARY spine skeleton shell exoskeleton

4. We can divide animals into 2 groups: vertebrates invertebrates

5. Animals with a skeleton and spine are vertebrates. hyena skeleton cow skeleton spine spine

6. They have a skeleton inside.

7. Most vertebrates have a head, a torso, limbs and a tail. head torso tail limbs

8. Animals that don’t have a spine and skeleton are invertebrates. no spine no skeleton

9. They don’t have a skeleton inside.

10. Some invertebrates have a shell to protect their bodies. shell oyster snail

11. Some invertebrates have an exoskeleton. exoskeleton crab cockroach

12. Some invertebrates don’t have any protection. They have a soft body. soft body cartepillars worms

13. VERTEBRATES INVERTEBRATES ant rabbit corkroach fish frog mosquito tiger butterfly

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