Sperm cells are to enable them to egg cells. To do this they need to travel long distances - relative to their size - to reach the , then break through to the and fertilise it (combine the sperm DNA with the egg DNA).

hello there the answer is d

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.