The document discusses invertebrate animals without backbones, dividing them into different phyla. It asks questions about sponges, including their phylum, life cycle stage when larvae land on rocks, and mentions echinoderms having spiny skin and tubes used for catching prey. It also notes cnidarians having stinging cells for protection and hunting, and the definition of molluscus and process of anthropod development. Examples provided include sponges, starfish, corals, spiders, octopus, bees, slugs, and sea anemones.

1. Animals that do not
have a backbone.

2. Invertebrates are
divided into different
__________.

3. What is the phylum of
Sponges?

4. What is the first stage
of life cycle of a
sponge?

5. What happens when a
sponge larvae landed
on a piece of rock?

6. Echinoderms have
_______ skin.

7. What is the use of the
tube of echinoderms?

8. Cnidarians have
________ cells that is
used for animal
protection and
catching prey.

9. Molluscus means
________.

10. It is the process of
growth and
development of
anthropods.

11. Mosquito

12. Snails

13. Starfish

14. Corals

15. Spiders

16. Sponge

17. Octopus

18. Bees

19. slugs

20. Sea anemones