Problem solving I believe
The answer is Prokaryotes.
The correct option is B.
A multi cellular organisms has many cells which carry out various function and which are organised into tissues, organs and organ system. A unicellular organism on the other hand has only one cell with different cell organelles. Thus, in unicellular organisms, it is the cell organelles that carry out different functions. <span />
Human diversity is a variety between the people, including age, <span>race, nationality, culture, ethnicity, gender, class, disability, sexual orientation, religion.</span>