Your classmate describes a growing baby as “a ball of multiplying cells that eventually grows large enough to form a baby.” Explain why this statement isn’t completely accurate.

The statement is inaccurate because a growing baby is not just a ball of multiplying cells that eventually grows large enough to form a baby.

After fertilization and the formation of a single-cell zygote, the zygote continues to divide to form a ball of cells. However, at some points, the cells start to differentiate to give rise to various organs that make up the baby.

Without differentiation, there is not way the dividing cells will give rise to baby. Hence, a growing baby should be rather viewed as a ball of multiplying cells that eventually differentiates to form a baby.

Explanation:

"a.) well–developed vascular system."