Across
- 2. A biological community of interacting organisms and their physical environment (9 letters)
- 4. The depletion of fish populations due to excessive fishing (11 letters)
- 5. The natural home or environment of an organism (7 letters)
- 6. The variety of plant and animal life in a particular habitat
Down
- 1. The state of maintaining ecological balance (14 letters)
- 3. An organism that naturally preys on others (8 letters)