worm crossword puzzle
Across
- 1. a band that aids in reproduction by secreting mucus
- 2. worms have this kind of symmetry
- 3. an organism that has both male and female reproductive organs that are functioning
- 6. one of the habitats of worms
- 7. blood leaves the vessels
- 8. helps remove nitrogen waste from Earthworms
- 10. development of a head
- 12. skeletal system of worms
- 14. stores food before it goes into the gizzard
Down
- 1. blood stays in the vessels
- 4. group of nerves in the head of an organism
- 5. It is the outer layer of annelids that protects them
- 9. the excretory system of Platyhelminthes and Nematoda
- 11. grinds up food
- 13. the respiratory system of worms