No system is closed off by it surroundings.
Selective pressures created by environmental factors can lead to success of <span>mutual individuals. So it is D</span>
Answer:
The correct option is C. The cell followed Kreb's pathway.
Explanation:
Krebs cycle can be described as a metabolic pathway for the release of energy during the process of aerobic respiration. The Kreb's cycle constitutes a series of oxidation reactions through which pyruvate is converted into carbon dioxide. About 15 moles of ATP is released as a result of Kreb's cycle. The reactions of the Kreb's cycle take place mostly in the mitochondria. The Kreb's cycle is commonly named as the Citric Acid Cycle.
Some people believe in global warming because of the over population and constant factory's creating pollution.
