__________ cells are free-living organisms that grow and multiply on their own.

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Planktonic cells are free-living organisms that grow and multiply on their own. They are not attached to surfaces like biofilms. Endospores are dormant structures produced by certain bacteria in response to unfavorable conditions. Parasites and symbionts are dependent on a host organism for survival. Heterocyst is a specialized cell found in some cyanobacteria that is involved in nitrogen fixation.

__________ Cells Are Free-Living Organisms That Grow and Multiply on Their