Photosynthesis

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Across
  1. 2. A non-living thing in an ecosystem
  2. 3. One of two products that plants use
  3. 5. A pigment that is responsible for the colour of a plant
  4. 7. A proccess that plants perform to make their own food
  5. 9. An organelle essential for a creatures survival
  6. 10. An item essential for all biotic things
Down
  1. 1. The substance after a chemical reaction
  2. 4. An organelle that houses a green pigment needed for photosynthesis
  3. 6. A type of gas some organisms use
  4. 8. The living things in an ecosystem