Across
- 2. a group of interacting populations that occupy the same geographic area at the same time.
- 4. one organism benefits at the expense of the other
- 7. part of the earth that is biotic
- 8. rhymes with paleontology
- 9. ability to tolerate factors (a)biotic
- 11. both organsisms benefit
- 13. one organism benefits; the other is neither helped nor harmed
- 15. the role something has in its environment
Down
- 1. any a/b factor that restricts distribution of organisms
- 2. living things in an organism's environment
- 3. act of one organism pursuing another organism for food
- 5. is the close relationship that exists when two or more species live together
- 6. a single thing that makes up a number at the same place
- 7. group of ecosystem that share same climate and communities
- 10. nonliving things in an organism's environment
- 12. an area where something lives
- 14. a biological community and all of the abiotic factors that affect it