Across
- 3. network of food relationships in a community of organisms.
- 5. a one-way path from the sun to autotrophs to heterotrophs
- 6. organisms which obtain their food from autotrophs
- 9. number of individuals born in a given time period
- 10. members of the food chain which eat plants, plant products, and/or other animals
- 11. one organism captures and feeds on another organism
- 12. one organism lives in or on another organism and harms it
- 13. more than one organism tries to use a resource at the same time in the same place
- 15. found primarily in an unusable form
Down
- 1. one species benefits while the other is neither harmed nor helped
- 2. organisms which use sunlight and organic compound to produce their own food
- 4. conversion of atmospheric nitrogen into ammonia
- 7. found primarily in the atmosphere as carbon dioxide
- 8. number of individuals who die in a given time period
- 14. members of the food chain which are capable of producing their own food