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

User Furqan
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Answer:

D.

Step-by-step explanation:

User Judd
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Answer: The Correct Answer is B

Could you answer my question about the Florida legislature?

User Jack Harkness
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