Across
- 4. Depth of 1,000m to 4,000m.
- 5. web All of the interconnecting feeding relationships in a community.
- 8. Depth of 4,000m to 6,000m.
- 9. The pelagic environment beyond the shelf break.
- 10. The bottom above the continental shelf.
Down
- 1. The area between the highest and lowest tide.
- 2. The study of the interactions between organisms and their environment.
- 3. The total mass of living organisms.
- 6. A living component of an environment.
- 7. level Each of the steps in a food chain.
- 8. A non-living (physical or chemical) component of the environment.