Mollusks and Annelids Crossword

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

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

---

Other Resources on Mollusks

Slides and Overview of Mollusks

Slides and Overview of Annelids and Segmented Worms

Squid Dissection - external and internal structures, using real squids

Virtual Squid - online dissection photos for students to view, labeling and questions, makeup lab

Observation of a Live Earthworm - test an earthworm's response to light/dark, warm/cold

Earthworm Dissection - view the digestive, circulatory, and nervous system of a preserved earthworm