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>
Any mutation type that is not silent mutation (mutation that has no effect on the protein function) that occurs within the genetic sequence of a gene can affect that particular gene. Such mutations can include conservative mutations and non conservative mutations.
He will let CO2 out also when he poops he lets out CO2 too.