<span>D. Temperature and pH can affect how enzymes work.</span> The action of enzymes can be affected by many factors including temperature, pH and ionic strength. Optimum pH differs per enzyme. Enzymes can be destroyed by heat more than the allowed optimum temperature.
The difference is that photosynthesis occurs in the chloroplasts and cellular respiration occurs in the mitochondria. Another difference is the reactants for photosynthesis are different than the reactants for cellular respiration. One more difference is in photosynthesis you capture Energy from the sun and change it into food and cellular respiration is the process by which cells use oxygen to break down food and produce.
Answer:
The Answer is C
Explanation:
When scientists breed cows to produce more milk, this has not occured naturally and thus is not natural selection.