Organisms eat plants, which is comprised of carbohydrates; those carbohydrates come from Carbon<span> dioxide in the atmosphere. Thus, an abiotic factor (</span>carbon<span>dioxide) helps create a </span>biotic<span> factor (the plants made out of carbohydrates).</span>
A certain gene is only used for certain functions, and if that gene is always going, your body cant turn certain functions on and off, which can ultimatley lead to a lot of health problems
A vascular plant is a plant that is characterized by the presence of conducting tissue.
My guess would have to be hydropower, since water isn't an un natural substance
