B61

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