Nerve fibers from the medial aspect of each eye
a) go to the superior colliculus onlyb) pass posteriorly without crossing over at the chiasmac) divide at the chiasma, with some crossing and some not crossingd) cross over to the opposite side at the chiasma

Nerve fibers from the medial aspect of each eye CROSS OVER THE OPPOSITE SIDE OF THE CHAISMA

D) cross over to the opposite side at the chiasma

Explanation:

The visual pathway comprises of a progression of cells and neurotransmitters that convey visual data from nature to the cerebrum for preparing. The visual cortex of the mind is that piece of the cerebral cortex which forms visual data. It is situated in the occidental projection.

The filaments from the other portion of the retina travel to a similar side of the cerebrum. In light of this intersection, every 50% of the mind gets visual sign from the visual fields of the two eyes. So the data about the picture through the eye is transmitted to the cerebrum along the optic nerve.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.