<span> If you use as much force on a bigger object and a smaller object the smaller object will have more acceleration, because the smaller object has less mass. </span>
I think it's B: DNA replication
Liver cell does not have same kind of biochemical duties as nerve cell.different enzymes and genes are present in both.liver cell is hexagonal and nerve is elongated both have same genetic instructions but different biochemical composition
Natural selection acts directly on those gene variations for traits or phenotypes.
The phenotype of an organism is the physical characteristic and is determined by the organism's genotype. Natural selection selects the genes that produce a certain phenotype by providing suitable conditions for a certain phenotype.