Question

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A living thing composd of many cell ________ organism.​

Answer 1

Multicellular

A tissue, organ or organism that is made up of many cells is said to be multicellular. Animals, plants, and fungi are multicellular organisms and often, there is specialization of different cells for various functions.

Answer 2

Answer:

May be the answer of this question is multicellular.

Hope it's helpful to you.

According to my point of view this is the correct answer.