Photosynthesis & Respiration

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Across
  1. 2. The growth and ___ slow as they get older
  2. 5. ___usually from the sun
  3. 7. If the ___ is too wet or compacted, there is less space in the soil for air
  4. 9. Light is required for ___
  5. 12. If there is little light, photosynthesis is reduced, making fewer___
  6. 13. As ____ increases, so does respiration
  7. 15. Opposite of photosynthesis
  8. 16. ___also respire, so this can reduce the amount of oxygen available
  9. 17. Growth rate and ___ activity of tissues
Down
  1. 1. In the process,______ is produced, while oxygen is used up
  2. 3. Oxygen is necessary for respiration
  3. 4. Photosynthesis produces ___ as an important by-product
  4. 6. An ample supply of carbon dioxide (CO2) from the ___
  5. 8. Photosynthesis produces ___ as an important by-product
  6. 10. A plant uses the ___ of light to put together chemicals which are useful to itself
  7. 11. ___ from the soil or atmosphere
  8. 14. Respiration is the burning, or _____, of the sugars produced during photosynthesis