Ecology

2. A chemical reaction in which glucose and oxygen are transformed into ATP, water, and carbon dioxide.
5. An organism that breaks down dead organic matter into simpler substances.
6. An animal that is hunted and eaten by predators.
9. An organism that obtains energy by consuming other organisms.
10. A group of individuals of the same species living in a particular area.
11. An animal that hunts and feeds on other animals.
13. A close and long-term interaction between two different species.
14. A sequence of organisms where each is the food source for the next.
16. A chemical reaction in which water and carbon dioxide are transformed into glucose and oxygen using energy in sunlight.

1. Interaction among organisms vying for the same resources.
3. The process of a body of water becoming nutrient rich.
4. A community of organisms and their physical environment.
7. A symbiotic relationship in which one organism benefits and one is unaffected.
8. The process of one ecological community gradually changing into another.
10. An organism that makes its own food through photosynthesis or chemosynthesis.
12. The natural environment where an organism lives and thrives.
15. The variety of life forms in a specific habitat or on Earth.