Life Science Crossword

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Across
  1. 2. An organism, like bacteria or fungi, that breaks down dead material.
  2. 3. A community of organisms and their physical environment interacting together.
  3. 8. The process by which species change over time.
  4. 9. The process plants use to make food from sunlight.
  5. 11. The process by which organisms better adapted to their environment survive and reproduce.
  6. 13. The natural environment where an organism lives.
  7. 14. An animal that hunts and eats other animals
  8. 17. A relationship where one organism benefits and the other is neither helped nor harmed.
  9. 19. A relationship where both organisms benefit.
  10. 21. The process by which cells break down sugar to release energy.
  11. 24. Control center of the cell that contains DNA.
Down
  1. 1. An organism that eats other organisms for energy.
  2. 4. The powerhouse of the cell, produces energy.
  3. 5. Found in plant cells, converts sunlight into energy through photosynthesis.
  4. 6. A change in the genetic code of an organism.
  5. 7. A trait that helps an organism survive in its environment.
  6. 10. A relationship where one organism benefits at the expense of another.
  7. 12. The basic unit of life.
  8. 14. An animal that is hunted and eaten by a predator.
  9. 15. The molecule that carries genetic information.
  10. 16. Chain A sequence of organisms that eat one another in an ecosystem.
  11. 18. A close relationship between two species that benefits at least one of the species.
  12. 20. An organism, usually a plant, that makes its own food.
  13. 22. A self-contained living thing
  14. 23. A unit of heredity that is passed from parent to offspring.