The process of reproduction among jellyfish when they release the egg and sperm into the sea, then when it is fertilized, it settles down on the sea floor and grows into a polyp is called fertilization. The correct answer would be option C. In the adult or medusa stage of a jellyfish, they reproduce sexually by releasing the egg and sperm into the water forming a planula.
I think the answer is D but it's been a while since I've done this.
I think the correct answer from the choices listed above is option A. Directional selection can be distinguished from disruptive selection by the elimination of extreme variations of traits. Directional selection is a natural selection where an extreme phenotype is favored than others.
B. trenches .......................
