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>
<span>The offspring would have twice the number of chromosomes it's supposed to have.</span>
It is because that's a place where no one lives so they're safe.