Why are bacteria called decomposers ?

Explanation

**Step-by-Step Solution:**

1. **Definition of Decomposers**: Decomposers are organisms that break down dead and decaying organic matter.

2. **Role of Bacteria**: Bacteria play a crucial role in the decomposition process. They are responsible for breaking down complex organic materials found in dead organisms.

3. **Process of Decomposition**: When bacteria decompose organic matter, they convert it into simpler substances. This process involves the breakdown of complex compounds into simpler ones.

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