The cell would die. This is because mitochondria are essential for making energy that the cell can use, if the mitochondria stopped working this energy would not longer be available to the cell. If the cell does not have energy, it cannot perform vital functions like respiration.
It is C because when two species benefit from each other it is called mutualism
Freud is to free association, while on the other hand, Rogers is to active listening. These are great people who modeled the foundation of psychology as what we understood right now. Sigmund Freud is the founder of psychoanalysis while Rogers is the founder of the humanistic approach to psychology.
Mold is a living organism, therefore it is biotic.
In broad terms, finches. In specific terms, he observed how over time, the beak sizes and shapes of said finches changed to adapt to the food sources available.
I hope I was able to help. Best of luck.