Bacteria can be described as prokaryotic and single celled. The correct option is B. I and IV.
What is bacteria?
Bacteria is a unicellular prokaryotic microorganism. It is present everywhere in the environment, in extreme conditions too. They act as both good bacteria that helps an organism and bad bacteria, that harm other organisms.
The characteristics that are true regarding bacteria are they are single-celled, and they are prokaryotic or primitive types.
Thus, the correct option is B. I and IV, I. prokaryotic and IV. single celled.
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