The change in size of the bone marrow (where blood cells are produced) as an infant matures is an example of ________, whereas the transformation of blood stem cells into white blood cells is an example of ________.

A) development; differentiation
B) growth; development
C) growth; differentiation
D) differentiation; growth
E) differentiation; development

Differentiation

The process by which cells or tissues undergo a change toward a more specific form or function, often in the context of development.

Bone Marrow

A soft tissue inside bones where blood cells are produced, including red blood cells, white blood cells, and platelets.

Stem Cells

Undifferentiated cells capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cells arise by differentiation.