Mollusks and Annelids Crossword
KEY

puzzle

Across
3. used for propulsion in squid (2 words) - water jet
4. opening where wastes exit - anus
6. organ used to suck up dirt by worms - pharynx
7. similar to a snail, but without a shell - slug
9. organ that grinds food in the earthworm - gizzard
10. the covering of the body of mollusks - mantle
13. bristles on the ventral surface of worms - setae
14. 8 of these are found on an octopus - arms
15. related to earthworms, used in "bloodletting" - leech
18. has both male and female sex organs - hermaphrodite
20. class that contains octopus and squid - cephalopoda

Down
1. a squid uses these to capture prey - tentacles
2. larval stage of mollusks and annelids - trochophore
5. a colorful sea dwelling gastropod - nudibranch
8. organs used for respiration in the squid - gills
11. a type of bivalve, makes pearls - oyster
12. the color of a poisonous octopus - blue
16. body cavity - coelom
17. organ that stores food in the earthworm - crop
19. the heart of the earthworm has five of these - arches