C) Natural selection
When something happens in nature and something changes all of a sudden, the animals tend to adapt to what gives them more chances of survival. As a result, a large amount of the population would attempt to adapt in a way that helps them survive.
All of the options are correct because each possesses the ability to specialize into a specific type of cell.
A student looking through a light microscope saw this cell in cytokinesis. This cell is most likely from a plant.