From what you provide us usually genetics such as those will have to environmental factors heredity and can be risk factors as well. So the answer you need is All Of The Above.
<span>Because the plant interacts with light to absorb only certain wavelengths, pigments are useful to plants and other autotrophs --organisms which make their own food using photosynthesis. In plants, algae, and cyanobacteria, pigments are the means by which the energy of sunlight is captured for photosynthesis.</span>
Answer is A. This is because it takes no energy and is natural for particles to go from high to low concentration. Think of a packed room. If the door opened it would take no energy for people to flow out. It would take a lot of energy for more people to get crammed in the room the room though (going from low to high concentration)
