Ecology

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Across
  1. 2. Changes in the environment that organisms respond to.
  2. 4. A group of the same species in an area.
  3. 6. A group of similar cells working together.
  4. 7. A large molecule like DNA or proteins.
  5. 10. One species benefits, the other is unaffected.
  6. 11. A large area with a specific climate and life forms.
  7. 13. One organism hunts and eats another.
  8. 15. The molecule that carries genetic information.
  9. 16. A structure made of tissues with a specific function.
  10. 18. Different populations living together.
  11. 20. Organisms fight for resources.
  12. 22. The smallest unit of matter.
  13. 23. Both species benefit.
  14. 25. Water-based ecosystems like oceans and lakes.
  15. 27. The basic unit of life.
  16. 29. The gradual change in species over time.
  17. 30. Two or more atoms bonded together.
Down
  1. 1. Living parts of the environment
  2. 3. A community and its nonliving environment.
  3. 5. A living thing.
  4. 8. Nonliving parts of the environment.
  5. 9. All life and ecosystems on Earth.
  6. 12. Maintaining a stable internal environment.
  7. 14. The place where an organism lives.
  8. 17. The process of creating new organisms.
  9. 19. The chemical reactions in a living organism that provide energy.
  10. 21. An organism’s role in its ecosystem.
  11. 24. A specialized structure within a cell.
  12. 26. One species benefits, the other is harmed.
  13. 28. The smallest unit of life.