Across
- 3. living thing
- 8. an environmental factor that causes a population to stop growing
- 9. relationship where one species benefits and the other ie neither hurt nor helped
- 10. a characteristic that makes an organism better suited to an environment that becomes common
- 11. leaving a population
- 16. all members of one species living in a particular area
- 17. the role of an organism in its environment
- 21. relationship where two species live closely together and at least one benefits
- 22. the study of how organisms interact with each other and their environment
- 23. organism that has something living inside or on it
- 24. relationship where both species benefit
- 25. factors in an environment that are non-living
- 26. the number of births per 1000 in a given time period
- 27. relationship where one organism lives inside or on another, harming it
Down
- 1. moving into a population
- 2. a group of organisms that can mate and produce offspring
- 4. the largest population that an area can hold
- 5. organism being killed
- 6. the number of individuals in an area of specific size
- 7. the number of deaths per 1000 in a given time period
- 12. behaviors and physical characteristics that allow organisms to live successfully in their environment
- 13. organism doing the killing
- 14. struggle between organisms in order to survive in the same environment
- 15. community of organisms in a particular area including their non-living environment
- 16. the organism that is causing harm to the one it is living in or on
- 18. an environment that provides the things an organism needs to survive
- 19. interaction where one organism kills another for food and nutirents
- 20. all the different populations living together in an area
- 26. factors in an environment that were once living