ANNELIDS, MOLLUSKS, ARTHROPODS, ECHINODERMS

READ CHAPTERS 28 AND 29.

1. What are three commonly known Annelid worms?

 

 

2. What kind of circulatory system do Annelids have?

 

 

3. How do Annelids reproduce?

 

4. Describe the nervous system of the Annelids.

 

 

5. Where do Annelid worms live and what do they eat?

 

 

6. The Arthropods are the most successful group of animals. Why are they?

 

 

7. What advantages and disadvantages does the Arthropod exoskeleton have?

 

 

8. Where do Arthropods live?

 

 

9. What kind of animals are Arthropods?

 

 

 

10. Describe the nervous system and circulatory system of the Arthropods!

 

 

11. Where do Mollusks live?

 

 

12. What kinds of animals are Mollusks?

 

 

 

13. Mollusks have a mantle, what is that?

 

 

 

 

14. Do all mollusks have a shell?

 

 

 

15. Describe the nervous system of a Mollusk!

 

 

16. Where do Echinoderms live?

 

 

17. What do Echinoderms eat?

 

 

 

18. What is the Echinoderm watervascular system and what is it for?

 

 

19. What type of support structures to Echinoderms have?

 

 

20. Describe two ways Echinoderms reproduce!

 

 

21. Compare bilateral and radial symetry

 

 

 

22. What is the first group of organisms that has bilateral symmetry?

 

 

 

23. What is the first group of organisms that has a complete digestive tract?

 

 

 

24. What is the first group of organisms that has a gastrovascularcavity?

 

 

25. What is the first group of organisms that has segments?

 

 

26. What is the first group of organisms that has an endoskeleton?

 

 

 

27. What is the first group of organisms that has highly developed sensory organs?