tema dos tercero a

1. natural

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

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

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

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

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

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

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

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

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

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