Green Planet

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Across
  1. 1. The green pigment required for photosynthesis.
  2. 3. A use of plants that relates to people's health.
  3. 4. These chemicals help crops faster and stronger.
  4. 5. These chemicals are sprayed onto crops to kill the pests that feed on them.
  5. 9. The place where an organism lives.
  6. 10. The product of photosynthesis that a plant uses for energy.
  7. 12. The way that plants and animals rely on each other to survive.
  8. 14. This word describes the range of species found in an area.
  9. 15. Burning fossil fuels and driving cars can cause this.
Down
  1. 2. A problem caused by taking too many fish out of the sea.
  2. 5. The human ___________ is growing rapidly, meaning food production must be increased.
  3. 6. You can test a leaf for this to find out if the plant has carried out photosynthesis.
  4. 7. An animal that eats both plants and meat.
  5. 8. This step in the carbon cycle describes organisms releasing carbon dioxide.
  6. 11. Animals that are hunted by other animals.
  7. 13. This step in the carbon cycle describes burning fuels.
  8. 15. The organism found at the start of every food chain, that makes its own food.