1. Invertebrates

3. They are usually smaller than vertebrates.

4. All invertebrates are oviparous.

5. Most animals on earth are invertebrates.

6. Some live on land and others live in the soil.

7. Some live in water.

8. Some can fly.

11. Molluscs

12. Anthropods

13. Worms

14. Jellyfish

15. Sponges

16. Starfish

18. Some, like snails, have a shell .

19. Many molluscs live in the sea .

20. Mussels, oysters and octopuses are all molluscs.

22. Their bodies are divided into 3 parts.

23. They have a hard skin and joints in their legs.

24. Insects (ants and bees) and arachnids (spiders and scorpions) are anthropods.

26. Some live on land and others live in water .

27. Some worms are parasites. They live inside another animal and feed on them.

29. They have soft bodies and tentacles.

30. Be careful! Their tentacles can sting you!

32. They live in water.

34. They live in water.

35. They usually have 5 arms , but some can have even 20!