Answer:
Cellular differentiation.
Explanation:
Cellular differentiation is the process in which a cell changes from one call type to another. Usually, the cell changes to a more specialized type. Differentiation of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
I believe it's stem cells.
Answer:
15
Explanation:
the atomic number is the number above the symbol. the number below is the atomic mass.
<span>Nevadan, Sevier, Laramide. </span>