The need for energy, gained by respiration and photosynthesis, is the driving force of the oxygen cycle.

In a way, yes. It can also be said that the driving force of the oxygen cycle is photosynthesis itself, which is responsible for the creation and maintenance of earth's atmosphere.

Photosynthesis occurs in green plants, which use energy  from sunlight to convert carbon dioxide and water into carbohydrates. During this process, water molecules are split and oxygen is released as a by product.

It can thus be said that plants take in or "breathe in" carbon dioxide and release or "breath out" oxygen in to the atmosphere.

The Answer Is T R U E

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.