Across
- 1. a model of the feeding relationships between many different consumers and producers in an ecosystem
- 4. the feeding relationship between a producer and a single chain of consumers in an ecosystem
- 5. how nitrogen moves through the Earth's ecosystems
- 7. the non-living parts of an ecosystem, including air, soil, and water
- 9. a model that shows the amount of energy available at each feeding level of an ecosystem
- 10. an organism that captures energy and stores it in food as chemical energy
- 11. organisms that get their energy by eating, or consuming, other organisms
- 12. the scientific studey of how organisms interact with their environment and all other organisms that live in that environment
- 14. a particular environment and all the living things that are supported by it
Down
- 2. the living parts of an ecosystem
- 3. organisms that break down dead plant and animal matter into simpler compounds
- 6. how carbon moves through the Earth's ecosystems
- 8. the movement of water through the environment
- 13. a series of events that happens over and over again
