Answer:
Facilitated diffusion takes place due to a difference in concentration on both sides of the membrane, in the direction of the lowest concentration, and does not require energy.
The answer is the first choice: Blue Eyes.
Polygenic traits are those controlled by two or more genes (hence the name "poly" in the term). Other examples would be skin color and height.
Hope this helps! :)
A. Osmosis. Hope this helps :)
