Across
- 2. All populations living together
- 7. Organism that eats other organisms
- 8. Organism that makes its own food
- 9. Natural home of an organism
- 11. Surroundings that affect an organism
- 13. All life-supporting areas of Earth
- 15. Study of interactions among organisms and environment
- 16. Living part of an ecosystem
Down
- 1. Organism producing its own energy-rich food
- 3. Members of one species in an area
- 4. Role of an organism in its ecosystem
- 5. Group of similar organisms that can reproduce
- 6. Large region with similar climate and life
- 10. Nonliving part of an ecosystem
- 12. Organism obtaining food from others
- 14. Community plus nonliving factors