Photosynthesis and respiration Starter

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Across
  1. 2. Increasing the intensity of this in greenhouses will increase the growth of crop plants.
  2. 4. Respiration RELEASES energy – it is an ____ reaction.
  3. 6. What is the name of the chemical used to test for starch?
  4. 11. All living things respire ____ hours a day.
  5. 12. The carbon dioxide required for photosynthesis enters leaves through the _____.
  6. 13. The type of respiration that takes place when oxygen is absent or in short supply - aerobic or anaerobic?
  7. 14. While exercising, the breathing rate and volume of each breath increases to bring more of this into the body.
Down
  1. 1. A cell organelle that carries out aerobic respiration and RELEASES energy.
  2. 3. The number of hydrogen atoms in a glucose molecule
  3. 5. A cell organelle that carries out photosynthesis
  4. 7. Your heart rate does this when you exercise to get oxygenated blood more quickly to the body.
  5. 8. Some people think that this is the same thing as respiration but they are wrong!
  6. 9. A reactant for photosynthesis, and a product for respiration.
  7. 10. A product of photosynthesis, and a reactant for respiration