Across
- 2. a predatory animal with 5 or more rays extending from a central disc
- 5. sharp extensions on top of a sea stars body that are used for protection
- 7. an organism that eats other organism for energy
- 9. organisms that eat other organisms
- 13. an entrance for water into a sea stars body
- 15. the place where land and water meets
- 16. the point when seawater rises to its highest level during a tides cycle
Down
- 1. all of the members of a species within a particular area
- 3. a community of different species that depend on interacting with each other and their physical environment for survival
- 4. organisms that break down organic waste and fees on the nutrients
- 6. drying due to the removal of water
- 8. organisms that capture energy directly from the sun to make their own food
- 10. any factor that reduces the ability of an organism to survive
- 11. the alternating rise and fall of the sea with respect to land
- 12. a visual that shows the network of food chains in an ecosystem
- 14. the point when seawater retreats to its lowest level during a tide cycle