B. Briefly explain how ONE specific historical event or development during the period 1865-1900 that is not explicitly mentioned in the
excerpts could be used to support Couvares's interpretation,

Hi! after fertilization occurs, the zygote goes through mitosis and then differentiation (aka specialization of cells) to have a variety of cells that perform different functions. this allows for the creation of tissues and so on, all of which were once stem cells with no specific function.i hope i !