Year 9 Biology

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Across
  1. 2. Plants that make their own food using sunlight.
  2. 4. A relationship where one organism benefits and the other is harmed.
  3. 6. The place where an animal or plant lives.
  4. 8. The variety of plants and animals in an area.
  5. 10. Different groups of species living together.
  6. 13. A line of who eats whom in nature.
  7. 14. A special feature that helps an animal or plant survive.
  8. 16. The part of Earth where life exists.
  9. 19. A relationship where both species benefit.
  10. 20. A group of the same type of animals in an area.
  11. 21. Cutting down lots of trees in a forest.
  12. 22. The role or job of an organism in its environment.
  13. 23. A living thing like a plant, animal, or bacteria.
  14. 26. When a species is gone forever.
  15. 28. A community of living and non-living things working together.
  16. 30. When organisms fight for the same resources.
  17. 32. Animals that eat plants or other animals.
Down
  1. 1. The process of breathing or getting energy from food.
  2. 3. Using resources in a way that doesn’t harm the future.
  3. 5. Non-living things in an environment, like rocks or water.
  4. 7. What organisms need to grow, move, and survive.
  5. 9. A close relationship between two different species.
  6. 11. The number of different species in a habitat.
  7. 12. Harmful things added to air, water, or land.
  8. 15. Organisms that break down dead plants and animals.
  9. 17. The total weight of living things in an area.
  10. 18. Protecting plants, animals, and habitats.
  11. 24. Living things in an environment, like plants and animals.
  12. 25. A network of connected food chains.
  13. 27. The usual weather in an area over time.
  14. 29. A species at risk of disappearing.
  15. 31. A species that spreads and harms ecosystems.