In a living organism, what is an organ? A. a group of similar cells that perform a common function B. a structure composed of a number of tissues that work together to perform a specific task C. a structure that provides a specific service within a cell D. functional unit, or building block, of all organisms; smallest unit that can carry on the activities of life

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Answer:

d i think

Explanation:

In a living multicellular organism, an organ is a structure composed of a number of tissues that work together to perform a specific task.

What is an organ?

Organs are made up of tissues, that perform a specific function within a  body.

Different organs are made up of different tissue, which helps them to perform a specific task.

Multicellular animals have different organs for different functions.

These organs are the liver, heart, lungs, kidney, etc.

Thus, the correct option is

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