Across
- 2. support the skeletal structure of sponges
- 5. Flat cells found on outer surface of sponge
- 9. Means "pore bearers"
- 12. living permanently attached to bottom
Down
- 1. Mechanism by which sponges feed, ___ feeders
- 3. Another name for flagellated collar cells that create currents
- 4. Having both male and female gonads
- 6. Also support the skeletal structure of sponges
- 7. Broadcast ___, release of gametes into the water
- 8. Used by sponges in sexual reproduction
- 10. Pores that allow water to enter the body of a sponge
- 11. large opening on top of the sponge