Place the following events in chronological order:

middle ages,
fall of rome,
renaissance,
crusades,
scientific revolution

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 !

The  gulf  of tonkin is the answerhope it !