Biology

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Across
  1. 3. controlled by temp, pressure, etc.
  2. 4. caused by random movement
  3. 6. Membrane found in all cells
  4. 8. mircroscopic, unicellular organisms
  5. 9. water and dissolved substances
  6. 10. vital for living things.
Down
  1. 1. concentration is higher inside the cell
  2. 2. particles without using energy
  3. 5. membrane-bound
  4. 7. diffusion of water