Photosynthesis

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Across
  1. 2. A gaseous compound which is a reactant in photosynthesis.
  2. 3. the plant uses this for respiration or can convert it to starch.
  3. 7. holes in the skin of the leaf that open and close to control gas exchange.
  4. 8. organelle only found in plant cells. It is the site of photosynthesis and contains chlorophyll.
  5. 9. controls what goes in and out of a cell.
Down
  1. 1. A gaseous element which is a by-product of photosynthesis.
  2. 4. green chemical found in the chloroplasts. It absorbs the light, allowing photosynthesis to take place.
  3. 5. This gives the plant cell structure and is made from cellulose.
  4. 6. An example of a limiting factor, if it gets too high the plant's enzymes will denature.