Plants

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Across
  1. 3. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  2. 5. a graduated difference in the concentration of a solute per unit distance
  3. 6. does not require energy input.
  4. 7. the clear liquid that has no color, taste, or smell,
Down
  1. 1. he movement of water molecules from a solution with a high concentration of water molecules to a solution with a lower concentration
  2. 2. process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
  3. 4. process used by plants and other organisms to convert light energy into chemical energy