Across
- 2. one organism that feeds of the other at the expanse of the other
- 6. any substance used to fertilize the soil.
- 9. an animal or plant that is being fed off of.
- 11. Climate change
- 12. Microscopic marine algae.
Down
- 1. A underwater man made object to help support marine life
- 3. A population that comes after a extinct population
- 4. Natural disasters cause
- 5. the amount a organism can endure
- 7. The diversity among organisms in a ecosystem
- 8. changes a organism can make to better adjust to they're changing envirnment
- 10. First organisms to colonize a area effected by disaster