This could either be c or d, both should work
For the answer to the question above,
the development of specialized tissues and organs in a multicellular organism's embryo occurs as a result of "<u><em>differentiation</em></u>"
It is the <span>process where a cell changes from one cell type to another.</span>
Answer:
I think D is the pairs of cognate
Answer:
bacteria, illness, poison, ect.
Explanation: