D.) Both are circumstantial evidence....
A: Population
If a group of one certain species are living in the same area they are a population. The same goes for humans, we are the same species and when we live in the same area we say we are part of a population. That’s why you would hear things like “the population of massachusetts is 2million” or whatever it is.
Although the DNA packaging with histones proteins is mean to form nucleosomes (groups of 8 histones proteins), the higher structures why the genetic material is packaged with those molecules is to form chromosomes, as you said.
The answer to this question would be: <span>a. optic chiasm
The optic nerve will be crossed in optic chiasm. Only a part of the optic nerve is crossing the midline. So, if there is a damage in the nerve after crossing, the visual loss will not only appear in one eye but half of both eye. Damage in right visual cortex will cause the left and right eye losing their half (left part) of their visual field.</span>
C. Bleach. Cleans stuff out of everything
