Ecology

2. A community of living organisms and their physical environment.
8. A large region characterized by specific climate, plants, and animals.
9. The natural environment where an organism lives.
10. A cycle that describes how carbon moves between the atmosphere, land, and ocean.
12. A group of individuals of the same species living in a particular area.
15. Relating to the feeding levels in an ecosystem.
17. An organism that makes its own food, typically through photosynthesis.
18. The process where water bodies receive excess nutrients, leading to algal blooms.
19. A cycle that describes how nitrogen is converted between different forms in ecosystems.
20. An organism that eats other organisms for energy.
21. An animal that is hunted and eaten by predators.
22. The role or function of an organism in its environment.
24. The process by which organisms convert oxygen and glucose into energy.
25. A symbiotic relationship where one species benefits and the other is not affected.

1. A symbiotic relationship where one species benefits at the expense of the other.
3. A close relationship between two different species.
4. An animal that hunts and eats other animals.
5. All the populations of different species that live together in an area.
6. A symbiotic relationship where both species benefit.
7. An organism that breaks down dead material for energy.
11. The gradual process of change in an ecosystem over time.
13. A species that has a disproportionately large effect on its ecosystem.
14. The variety of life in a particular habitat or ecosystem.
16. The process by which plants convert sunlight into energy.
23. A complex network of feeding relationships in an ecosystem.