What are the forms of bacteria?

Bacteria are a diverse group of microorganisms that come in many different shapes and sizes. The following are the most common forms of bacteria:

1. Cocci: These are spherical or round-shaped bacteria. They can occur in clusters, pairs or chains.

2. Bacilli: These are rod-shaped bacteria that can occur singly, in pairs or in chains.

3. Spirilla: These are spiral-shaped bacteria that have a rigid cell wall.

4. Spirochetes: These are also spiral-shaped bacteria, but they have a flexible cell wall.

5. Filamentous bacteria: These bacteria are elongated and form long chains or filaments.

6. Pleomorphic bacteria: These bacteria can change their shape depending on their environment and can appear in a variety of forms.

It's important to note that while bacteria may have distinct shapes, they are not limited to just one form and may exhibit variations in shape depending on their environment and growth conditions.