Similarity: Amoeba and humans are heterotrophs. This means we need to derive energy from other organic sources of carbon.
Difference: Though amoeba and humans share the same mode of nutrition, both process the nutrients and convert them into energy in different ways. Humans have a complex digestive system, while amoeba engulfs its food and brings it deep within the cell. Here, the food particles merge with lysosomes, which consequently dissolve the food particles.
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Main Article: Nutrition in Amoeba