<span>Im pretty sure the answer is B) Pupil, lens, retina, optic nerve
hope this helps :)</span>
They all have pollen in the center which makes them duplicate and make more of their species of flower
There would be increase in oxytocin in one's cerebrospinal fluid in the brain causing a major role in the mother's behavior. Breastfeeding would release the oxytocin from the mother's brain. It allows one's baby to get milk from the breasts causing one's uterus to return back to it's normal size after birth. It also nourishes love, nurture and bond between the mother and child.
Megacity would probably have the biggest affect on the immediate environment and possible the outlands of the megacity as well.