Across
- 3. Underwater “rainforest” built by tiny polyps.
- 4. Hunter in the marine food web.
- 6. Camouflage for the open ocean: dark on top, light underneath.
- 8. Land species with a big impact on the seas.
- 9. Increases with ocean depth, felt by divers.
- 10. A group of the same species sharing a habitat.
- 12. Tools for detecting food, mates, or danger underwater.
- 13. Superheated vent on the seafloor, rich in minerals.
Down
- 1. Dim ocean layer where light fades but life thrives.
- 2. Hard external protection for many mollusks.
- 3. Can warn predators, attract mates, or blend in.
- 4. A toxin delivered by ingestion or contact.
- 5. Ocean measure of dissolved salt content.
- 7. Zone between high and low marks of the sea.
- 9. The hunted in an ocean food chain.
- 11. Ocean’s daily rise and fall, pulled by the Moon.