Question

an example of mitosis at work is a leaf turning yellow. growing. taking in carbon dioxide. performing photosynthesis.

Explanation:

Mitosis is a type of cell - division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus. It is involved in growth and repair. A leaf growing is a result of cell division through mitosis. Leaf turning yellow is related to pigment changes and senescence, taking in carbon dioxide and performing photosynthesis are related to plant metabolism rather than cell - division.

Answer:

growing