Since we can't see your choices we can only do so much to help you unfortunately. However, the word abiotic means non living. So if it's saying which is NOT an example of an abiotic factor, then your answer would be the choice that has to do with living. For example, plants, animals, etc.
Its called an <span>pesco pollo vegetarian</span>
It is the fraction of all chromosomes in the population that carry that allele.