Across
- 5. the branch of biology that deals with organisms
- 7. the natural home or environment
- 10. factor a living organism that shapes environment.
- 11. a biological community of interacting organisms
- 12. the doctrine that mutual dependence is necessary
- 13. the regions of the surface, atmosphere,
- 14. a comfortable or suitable position in life
- 16. factor any of the factors in an environment capable of limiting a process
- 17. the practice of living as a parasite
Down
- 1. close, prolonged association between two or more different species
- 2. the preying of one animal on others.
- 3. a particular section, group, or type of people or animals living in an area
- 4. willingness to tolerate something,
- 6. factor non-living part of an ecosystem that shapes
- 8. community an interacting group of various species in a common location
- 9. the species that benefits from the association
- 15. a Large area characterized by its vegetation