I believe the correct answer is natural selection.
Natural competition and the fight for “survival of the fittest” is what pushes diversity the most.
A 40 years old male who is experiencing movement problems that begin in the face and arms and eventually affect the entire body is likely to undergo diagnosis against Huntingtons disease. It cause progressive breakdown of nerve cell in the brain. In addition it interfere . with persons physical and mental abilities.
Answer:
<em><u>plant</u></em> is the answer
The answer is primary. That means the answer is a.
Hope this helped☺☺
