It’s known as the genotype, a pair of alleles represent the GENOTYPE of a specific gene. alleles contribute to the individual’s outside appearance which is the phenotype. (so that isn’t the answer)
B) sunlight
Sunlight supports life by providing food and warmth which is needed for the population of practically anything on earth to survive
~over hunting has killed a lot of species
~we genetically modify plants and animals to our liking
~we have introduced a lot of invasive species to different places effecting local wildlife
