Across
- 3. the entire planet
- 4. both organisms benefit
- 6. all of the living communities
- 9. converts energy from the sun into food energy
- 11. relating to or resulting from living things, especially in their ecological relations
- 16. pollution sources that are diffused without a single point of origin
- 17. the organisms in the community that are the same species
- 18. made up of different layers and protects the earth
- 19. any signle identifiable source of pollution from which polluants are discharged
Down
- 1. a number of interconnecting food chains
- 2. all the biotic factors in a given area
- 5. certain traits that give an adaptive advantage to organisms and they can pass it down to their offspring
- 6. the study of the relationship of living things to each other and their environment
- 7. one organism(the parasite) benefits while the host does not
- 8. the evolution of a biological community's ecological structure
- 10. physical rather than biological; not derived from living organisms
- 12. animals that depend on plants and other animals for food
- 13. when one or more species over populate and affect the environment in a negative way
- 14. a climax community or intermediate community is impacted by a disturbance
- 15. one organism benefits, one unharmed