B4 a - d revision

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Across
  1. 1. These are non-biological factors that could affect the distribution of a species.
  2. 5. This type of plant cell contains many chloroplasts.
  3. 6. This is a gradual change in the distribution of a species.
  4. 8. A plant cell becomes _________ when it's cell membrane comes away from the cell wall.
  5. 10. Plants do this process as night using up oxygen.
  6. 11. Plants have different photosynthetic ____ to maximise the amount light energy they absorb from the sun.
  7. 12. Plants convert soluble glucose into insoluble _________.
  8. 13. These are the openings on the underside of leaves that allow gases in and out.
  9. 14. Too much water inside an animal cell can cause cell _______.
  10. 16. This is passive process of a gas or liquid moving down a concentration gradient.
Down
  1. 2. This process could happens to an animal cell placed in salty water.
  2. 3. A plant cell with high concentration of water inside can be described as ...?
  3. 4. This is the transparent top layer on leaves.
  4. 7. Cell membranes can be described as partially _____ membranes.
  5. 8. Plants do this process in the day using CO2.
  6. 9. The ____ bundle contains the plants transport system.
  7. 15. This a flat tape that can help someone study zonation.