How are bacteria classified on basis of their shapes ?

Explanation

To classify bacteria based on their shapes, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Bacteria**: Recognize that bacteria are prokaryotic organisms and are classified under the Monera kingdom. They are the most abundant microorganisms found in various environments.

2. **Identifying Shape Categories**: Bacteria are primarily classified into four main categories based on their shapes.

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