What is the general name of the micro-organisms such as bacteria and fungi which break down plant and animal matter?

Answer

**Step-by-Step Solution:**

1. **Identify the Micro-organisms**: The question asks for the general name of micro-organisms like bacteria and fungi. These organisms are known for their role in breaking down organic matter.

2. **Understand Their Role**: Bacteria and fungi are essential in the ecosystem as they help in the decomposition process. This process involves breaking down dead plant and animal matter into simpler substances.

3. **Define Decomposers**: The general name for these micro-organisms that break down plant and animal matter is "decomposers."

4. **Explain Decomposition**: Decomposition is the process through which decomposers convert dead organic material into nutrients that can be reused by plants and other organisms, thus playing a crucial role in nutrient cycling.

5. **Conclude**: Therefore, the answer to the question is that the general name for micro-organisms such as bacteria and fungi that break down plant and animal matter is "decomposers."

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