Here's why:

* Mitochondria are the powerhouses of the cell, responsible for cellular respiration. They break down glucose (sugar) in the presence of oxygen to produce energy in the form of ATP.

* Photosynthesis is the process by which plants and some other organisms use sunlight, water, and carbon dioxide to create their own food (glucose) and oxygen. This process occurs in chloroplasts.

While both processes are essential for life, they are distinct and occur in different organelles.