Variables and limiting factors

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Across
  1. 2. a common factor of an organism that you should control in an investigation
  2. 5. the variable you measure
  3. 9. the pigment that absorbs light (it's green)
  4. 10. something which, if you increase its availability, will also increase the rate of reaction
  5. 11. the word describing an organism that can make it's own food
  6. 12. variables you must keep the same throughout your investigation
  7. 13. the variable you change and investigate
Down
  1. 1. the energy source of photosynthesis that can be a limiting factor
  2. 3. the site of photosynthesis
  3. 4. a limiting factor of photosynthesis which can also lead to enzymes denaturing
  4. 6. a gas that can be a limiting factor of photosynthesis
  5. 7. the site of respiration
  6. 8. the cell type that carries out photosynthesis