<span> Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.</span>
Answer:
If there was no diversity we would all look the same and i mean that would creep me out big time.
Explanation:
Carbohydrates have alot of fiber and protein,which our bodies can then convert into energy to move about,and do different things.
I think this is an theory changing because a new scientific method was developed. They used what Mendel had learned to test the hypothesis themselves and discovered that he was right.
