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How do all multicellular organisms begin? A. as complex organisms B. as a single cell C. by expanding the size of their cells D. by creating all their cells at one time

I believe it is b 

Verified Answer :

W0lf93

B is the correct answer. Multicellular organisms, as with almost all organisms, begin life as a single cell. The increase in the number of cells can be as a result of cell division or cells combining together.

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