<u>Answer</u>: Cell
<u>Explanation</u>:
The simplest organization level in all the living organisms including humans is a cell.
All human beings are made up of a cell which forms the lowest level of the organization after which the hierarachy of the organization is as follows :
cells----> tissues----->organs----> organ systems
Therefore, the simplest level of organization in human beings is a cell.
Scorpions because all the others are sea creatures and scorpion is a land creature
C
The "Nucleus" contains the genetic information of the cell in the form of deoxyribonucleic acid (DNA) or chromosomes and thus, controls cell growth and multiplication. It is also the site of DNA replication (formation of an identical copy of DNA).
While the "Golgi apparatus", or Golgi complex, functions as a factory in which proteins received from the ER are further processed and sorted for transport to their eventual destinations: lysosomes, the plasma membrane, or secretion.