Amoeba nutrition involves five steps :- 1) ingestion it is a process of taking the food in the mouth.amoeba don't have mouth therefore food intake it may take place from any part of the body but it may usually takes place at advancing end i.e. pseudopodia. This process of obtaining food is called phygocytosis. 2) Digestion is the process of the breakdown of complex food molecules into simpler molecules through a series of chemical reactions carried out by various enzymes. 3) absorption means taking up digested nutrient molecules into the cells of living organisms. 4) assimilation the absorbed food is synthesised into protoplasm and this is known as assimilation. 5) egestion is the removal of the undigested food is known as egestion. In amoeba egestion may occur in a any part of the body part.
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