SmithLifeScience                                        Name ______________     Period ___
  snailcrawl2.gif (32219 bytes)Snails

1. Do mollusks have hard or soft bodies? _______________

2. Is the anal opening (anus) at the front or back of the snail? __________

3. A snail has _____ pair of tentacles.

4. Snails are univalves.  What does univalve mean? _________________________

5. Describe a snail's eyesight. _______________________________________

6. Does a snail breathe with gills or lungs? ______________

7. What do snails do when they are in danger? ______________________________

8. Is the highest point of a snail's shell called the apex or the lip? _______________

9. The Greek word gastropod means _______________________

10. Name the 3 organs you can find on a snail's head.
                           _________           __________             __________

11. What are hermaphrodites? _______________________________________

12. What are sense organs called? ______________

13. Why does a snail need calcium? ___________________________________

14. What does a snail do to keep from drying out? ________________________

15. Describe a snail's radula. _______________________________________

16. Are a snail's eyes on the longer or shorter tentacles? _______________

17. What is a baby snail's first meal? ________________________________

18. Name three foods of snails. _________     _________     ____________

19. Name the slippery liquid that protects the snail from sharp or rough textures. _____

20. How does a snail eat? ________________________________________

21. What kingdom do snails belong to?    Animal     Mollusk     Invertebrate     Gastropod

22. What phylum do snails belong to?     Animal     Mollusk     Invertebrate     Gastropod    

23. What class do snails belong to?         Animal     Mollusk     Invertebrate     Gastropod

24. Name the 5 predators of snails. ______   ______   ______   ______   _______

25. True     False     Snails take care of their eggs.

26. True     False     Snail eggs have yolks.

27. True     False     Snails lay thousands of eggs.

28. True     False     Snails can reproduce without another snail.

29. True     False     Snails have a primitive brain.

30. True     False     It takes 3-4 weeks for snails to hatch from eggs.

31. True     False     Snails have a three-chambered heart.

32. True     False     It takes 30 days for snails to lay eggs.

33. True     False     The anus and respiratory pore are on the left side of the snail.