Across
- 2. An interaction where one organism hunts and kills another.
- 4. An organism that makes its own food, usually using sunlight.
- 7. The living components of an ecosystem.
- 10. A type of interaction where both species benefit.
- 12. A factor that restricts the size of a population (e.g., food, space).
- 14. The specific place where an organism lives.
- 15. A close, long-term relationship between two different species.
- 16. An organism that eats other organisms for energy.
Down
- 1. All the living and non-living factors interacting in a specific area.
- 3. The struggle between organisms for limited resources.
- 5. Organisms that break down dead organic matter.
- 6. A relationship where one species benefits and the other is harmed.
- 8. All the different populations living together in one area.
- 9. The primary energy source for most ecosystems.
- 11. The total mass of organisms in a given area.
- 13. The non-living components, such as sunlight or water.