Across
- 2. cycle that cycles nitrates, nitrates and ammonia in the atmosphere
- 4. a hierarchical series of organisms each dependent on the next as a source of food
- 6. the role a species plays in a community
- 7. living
- 9. non-living
- 10. things that limit the ability of organism survival and growth
- 14. an organism that eats both producers and consumers
- 15. both species are benefiting
- 16. populations in a community & the abiotic factors
Down
- 1. substances become more concentrated in the bodies of consumers as one moves up the food chain (trophic levels)
- 3. amount of greenhouse gasses an individual, system, or activity is responsible for releasing into the environment
- 5. maximum number of individuals of a particular species that an environment can support
- 8. each link in a food chain
- 11. two species living together
- 12. the amount of organic matter in a group of organisms in a habitat
- 13. several interacting populations in a common environment
- 17. what is the scientific study of interactions between organisms and their environments
