ecosystems

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Across
  1. 3. An animal that is hunted and eaten by a predator.
  2. 5. To live together in the same place without conflict.
  3. 8. The build-up of harmful substances in organisms over time.
  4. 11. A food chain shows the flow of energy from one organism to another.
  5. 12. A group of similar organisms that can reproduce with each other.
  6. 14. All the different species that live and interact in one area.
  7. 15. An organism, like a plant, that makes its own food using sunlight.
  8. 19. An animal that eats both plants and animals.
  9. 21. The top predator in a food chain that no other animal eats.
  10. 22. A change in the environment that affects how an ecosystem works.
  11. 23. A chemical used to kill insects, often harmful to ecosystems.
  12. 24. An animal that eats only plants.
Down
  1. 1. A trait that helps an organism survive in its environment.
  2. 2. A food web shows how different food chains are connected.
  3. 4. A group of the same species living in the same area.
  4. 6. An organism that gets energy by eating other organisms.
  5. 7. A condition that harms the health of an organism.
  6. 9. The role or job of an organism within its ecosystem.
  7. 10. The natural home or environment of an organism.
  8. 13. The ability to do work or cause change; passed along a food chain.
  9. 16. A community of living organisms interacting with their environment.
  10. 17. When organisms rely on each other to survive.
  11. 18. An animal that hunts and eats other animals.
  12. 20. An animal that eats only other animals.