Food Chain

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Across
  1. 3. green plants make their food using sunlight
  2. 4. a substance that is needed to keep a living thing alive and to help it to grow
  3. 7. an animal that kills and eats other animals
  4. 10. an animal or plant, especially one that can only be seen with a microscope
  5. 11. a small animal or plant that lives on or inside a larger animal or plant, and gets its food from it
  6. 12. use an amount of fuel, energy, or time up
  7. 13. the position that an organism occupies in a food chain
Down
  1. 1. any organism that breaks down dead tissue
  2. 2. living on the land or on the ground
  3. 5. become very closely connected with sth/sb else
  4. 6. include
  5. 8. describe the animals that only eat plants
  6. 9. animals such as humans, dogs, lions, and whales
  7. 14. an animal or a plant on which another animal or plant lives and feeds