The process of <u><em>photosynthesis</em></u> is occurring in image A.
Photosynthesis can be described as a process by which plants use light energy and convert water and carbon dioxide into sugar and oxygen. The sugar produced is the food for the plants. This process occurs in the leaves where chloroplasts are present. Chloroplasts trap light energy.
Answer B:
<u><em>The organelle is mitochondria. The process which occurs in the mitochondria is cellular respiration.</em></u>
Mitochondria are known as the power house of a cell. The process of cellular respiration occurs in the mitochondria. By this process, glucose and oxygen are converted into carbon dioxide and water. Energy in the form of ATP is released during this process. The energy is used normal cell functions.
What occurs when too much of a population rely on something?
This leads to overcrowding after which competition sets in and it would diminish the resources and death of the unfit organism while the fittest survives.