7.2 Invertebrates
Across
- 3. Flattened extensions on each segment of an Annelid
- 6. Then walled extensions of the body wall that allow for easy absorption
- 9. Arrangement of body parts, there is only one way to cut the body and get two identical halves
- 11. Polyps that lack the medusa stage
- 14. Jellyfish that is predominately in the medusa form
- 15. The back side
Down
- 1. Stiff and sometimes sharp bristles found on the end of parapodia
- 2. A long, fleshy tube used to entangle prey
- 4. Long cilia fused at the base like combs, that beat in waves
- 5. The back end
- 7. Live in close association with other animals and feed on their tissues, blood, or intestinal contents
- 8. The front end
- 10. Cavity throughout the body that is filled with fluid
- 12. Middle layer of tissues, makes muscles
- 13. The belly, abdomen