There is no difference in mental abilities between genders
It is the last choice because their similar bone structures suggest they once had a common ancestor, which is why they are all mammals.
Answer:
Cellular differentiation is the process in which a cell changes from one cell type to another. Usually, the cell changes to a more specialized type. Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
That answer is A. Hopefully this helps.
Its "changes occur in the organism" answer
