Name the microorganisms found in bacteria , protozoans and unicellular algae.

Explanation

### Step-by-Step Text Solution:

1. **Understanding Microorganisms**: Microorganisms are microscopic organisms that can exist as unicellular, multicellular, or in cell clusters. They are found widely in nature and can be beneficial or harmful.

2. **Types of Microorganisms**: Microorganisms can be categorized into six major groups:
- Bacteria
- Archaea
- Fungi
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