Describe the movement of molecules in the illustration. a) molecules are moving from a lower concentration to a higher concentration. b) molecules are moving from a higher concentration to a lower concentration. c) molecules are moving from a higher concentration to a lower concentration and then from a lower to higher concentration. d) molecules are moving from a lower concentration to a higher concentration and then from a higher concentration to a lower concentration.

B) Molecules are moving from a higher concentration to a lower concentration

Explanation:

In simple diffusion,non charged particles or lipid soluble molecules pass through the phospholipid bilayer in and out of a cell,moving from a higher concentration to lower concentration. Exchange of gases and most lipids pass through the cell membrane by the process of simple diffusion

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

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