Across
- 1. where organisms are in a food chain.[trophic ___]
- 4. graphical representation of interlinked food chains that show how organisms are related through their food consumption in an ecosystem [food ____]
- 6. role of a species in an ecosystem
- 9. Another name for producers.
- 11. if 2 species occupy the same niche and habitat, they would end up competing with one another for the same food. [___________ exclusion]
- 12. a species that hold ecosystems together and are more important than other species.
- 15. number of species in a given area
- 18. coming to a place, population increases
- 20. a type of cascade that is indirect interactions that can affect entire ecosystems.
- 22. a group of organisms of a species that interbreed and live in the same place at the same time.
- 23. An organism that breaks down organic matter into simpler materials (like carbon dioxide)
Down
- 2. all the abiotic and biotic factors in an area
- 3. number of organisms in a species/ total number of organisms
- 5. leaving a place, population decreases
- 7. How individuals in a population are spread across an environment [population _______]
- 8. living factors of the environment
- 10. number of individuals of the same species in an area [population _____]
- 13. factors like resources in an environment that can lower the population growth.
- 14. the number of individuals that make up a population [population ____]
- 16. Another name for consumers.
- 17. measure of the variety of life that occurs within an ecosystem.
- 19. nonliving factors of the environment
- 21. an individual animal, plant, or single-celled life form.