That would be fermentation(anaerobic respiration.)
Fermentation is defined as the extraction of energy from carbohydrates in the absence of oxygen.
Enzymes are essential for healthy digestion and is needed for energy. Two things that affect Enzyme function are pH levels and temperature levels.
I believe it is because kinetic energy is speed and temperature
Tree is your answer.
An Organism is classified as a "living animal, plant, or single-celled life form."
A tree, is a plant, therefore, Tree is your answer
hope this helps