The believe that the best answer among the choices provided by the question is the E. All contain histones.
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
<span>Random fertilization adds to the genetic variation thanks to B)Fusion of sperm and ovum, each having a unique combination of chromosomes, introduces further variation. Fertilization is a process of fusion of sperm and ovum. In a random fertilization, it is expected that sperm and ovum each have a unique combination of chromosomes. Thus, the created zygote will have a unique combination of chromosomes which introduces variation.</span>
Community, habitat is in general and ecosystem is the whole place, not just the soil.