Question

what is endocytosis. how its help amoeba

Answer 1

Endocytosis is the process by which amoeba takes in the food particle. Amoeba is an unicellular organism where a single cell performs all the functions. Hence by endocytosis, amoeba gets its food. During endocytosis, the outermost membrane of amoeba folds inwards or extends outwards to catch the food particle, hence getting its nutrition.
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Answer 2

the taking in of matter by a living cell bye invagination of its membrane to form a vacuole is known as endocytosis .