1. natural
sciences 3

2. What animals can you see?
What’s different about them?
Not all animals are the same.
Different animals have different features.

3. How do we classify animals? What’s different about them?
Vertebrates have a spine. They have a skeleton inside them.
Invertebrates don’t have a spine.

4. Are all invertebrates the same?
Some invertebrates don’t have an exoskeleton. They have soft bodies.
Some invertebrates have an exoskeleton or a shell.

5. Are all vertebrates the same?
We can classify vertebrates into five groups: mammals, amphibians, fish, birds and reptiles.

6. Are all invertebrates the same?
Molluscs have soft, muscular bodies.
Arthropods’ bodies have three parts: the head, thorax and abdomen.
Worms have long, soft bodies.

7. Do all animals eat the same food?
Animals that only eat plants are herbivores. Animals that only eat other animals are carnivores. Animals that eat plants and other animals are omnivores.

8. How do animals reproduce?
Animals born directly from their mothers
are viviparous.
Animals born from eggs are oviparous.

9. Why are some animals endangered?
Animals that are endangered could become extinct.
We should look after all animals and the habitats they live in.

10. What have we learnt?
Animals can be…
vertebrates
invertebrates

11. What have we learnt? Vertebrates can be… mammals birds reptiles
amphibians
fish

12. What have we learnt?
Invertebrates can be…
worms
molluscs
arthropods