The model below shows a human fetus at various stages of development. image Which choice BEST explains how the model illustrates the role of mitosis in fetal development? .... A The model shows that the fetus becomes more complex during development. This is because mitosis allows the cells that make up the fetus to become specialized. B The model shows that the fetus increases in size while developing. This is because mitosis allows cells to grow and increase in size. C The model shows that the fetus both loses and develops structures over time. This is because mitosis can heal and repair tissues. D The model shows that the fetus gets larger as time goes on. This is because mitosis constantly increases the number of cells that make up the fetus.