I think the correct answer would be option A. It is important to have supporting evidence from a variety of fields because it would lend strength to the argument if evidence from a diversity of fields results in the same conclusion. It would make the theory more believable since a number of professionals which know more about that subject has the same conclusions and believe in the same idea.
It must duplicate its genetic information.
<span>In looking at a section through the brain, you see a neuron with a number of shrub like projections extending from one side of the cell body and a single long projection extending from the other side. the shrub like projections are most likely dendrites, and the single long projection is most likely axons.</span>