Across
- 2. Tiny organisms that drift in water.
- 4. Trees that grow in coastal saltwater areas.
- 7. Deep water where sunlight doesn’t reach.
- 9. Dead organic material that provides nutrients.
- 12. Land that is saturated with water.
- 15. A large area with specific climate and life.
- 16. Habitats dominated by water.
- 18. A layer in water where temperature changes quickly.
- 20. Water with low salt content.
- 21. Animals without a backbone.
- 23. A community of living and non-living things interacting.
- 24. The movement of water through evaporation and precipitation.
- 26. Related to the ocean or sea.
- 27. A sequence of who eats whom in an ecosystem.
Down
- 1. Highly diverse marine ecosystem made of coral.
- 3. Non-living parts of an ecosystem.
- 5. A large, slowly moving mass of ice.
- 6. A trait that helps an organism survive.
- 8. Where freshwater meets saltwater.
- 10. The amount of salt in water.
- 11. Living parts of an ecosystem.
- 13. Low-salt water habitats like lakes and rivers.
- 14. The bottom layer of a body of water.
- 17. Microscopic single-celled organisms.
- 19. Aquatic animals with hard shells, like crabs.
- 22. Single-celled organisms in extreme environments.
- 25. A network of food chains in an ecosystem.