Across
- 1. true body cavity
- 2. second largest phylum
- 5. bioluminescence
- 6. flame cells for excretion
- 8. sexes are not separate.
- 9. notochord extends from head to tail
Down
- 1. collar cells line the spongocoel
- 3. polyp and medusa body forms
- 4. jointed appendages
- 7. segmentation in earthworm