Biology revision - key word crossword

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Across
  1. 6. A process that causes the levels of chemical to build up as they are passed along a food chain
  2. 7. A type of organism that makes its own food by photosynthesis
  3. 8. The green pigment in plants that gives them their colour and allows them to absorb sunlight
  4. 11. Small holes in the surface of a leaf that allow carbon dioxide to enter the leaf
  5. 12. A living thing such as an animal or a plant
  6. 13. a diagram showing what organisms eat
  7. 15. chemicals that farmers can use on the soil to help their plants to grow
  8. 16. the place where an organism lives
  9. 18. substances that plants absorb from the soil to allow them to grow (including nitrates, phosphates, magnesium and potassium)
  10. 19. All the animals and plants that live in an area, plus the actual area itself.
  11. 20. A type of animal that can eat meat or plants (eg. human)
Down
  1. 1. The process that causes particles to spread out due to random movement
  2. 2. A particular place or role that an organism has in its ecosystem
  3. 3. The process that plants use to make food for themselves
  4. 4. all the animals or plants in one species that live together
  5. 5. an animal that gets eaten by other animals
  6. 9. The substance inside red blood cells that is responsible for carrying oxygen
  7. 10. The process that releases energy in our body
  8. 14. A type of organism that must eat food to survive
  9. 17. an animal that eats other animals