Which life process is indicated by the arrows in the diagram of an amoeba shown below 1. digestion 2.excretion 3. fermentation 4. transport

Fermentation is a process that mainly converts the carbohydrates to energy and also converts sugar to acids, alcohol or gases. Fermentation is a process that allows any organism to survive without oxygen and fermentation is the cells main ATP producing stimulant. The study and science of formation is known as Zymology. Fermentation is a process that is most common in certain organisms like yeast, bacteria etc. Fermentation comes to human use as well for making alcohols and different types of breads.   

Gives full presentation to observe

From a high concentration to a low concentration.