What results in fitness in biology

It can be defined either with respect to a genotype or to a phenotype in a given environment. It describes the individual reproductive success and is equal to the average contribution to the gene pool of the next generation that is made by individuals of the specified genotype or phenotype. If this is a typing where you type the answer out, do not copy my answer exactly. You will get in trouble for plagerism.

i think its the first one

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!