Because it was a tradition
Answer:
Specialization is a method of production whereby an entity focuses on the production of a limited scope of goods to gain a greater degree of efficiency. ... This specialization is thus the basis of global trade, as few countries have enough production capacity to be completely self-sustaining.
Explanation:
The function of the small, dark organelles labeled E is: They assemble amino acids into proteins.
The label E in that picture labeled ribosome, which has the role in the protein synthesis. The messenger RNA that contained within the ribosome would be the one that assemble amino acids into proteins depending on what the body needs.
One branch to have more power than the rest.