When a natural predator (living organism) is applied on the other pathogen organisms to control them, this process is called as

Options

A. biological control
B. genetic engineering
C. arifificial control
D. confusion technique

Explanation

**Step-by-Step Solution:**

1. **Understanding the Concept**: The question asks about a process where a natural predator is used to control pathogen organisms. This implies the use of living organisms to manage or eliminate harmful pathogens.

2. **Identifying the Process**: The process of using a natural predator or a biological agent to control pests or pathogens is a known method in agriculture and ecology.

3. **Terminology**: The specific term used to describe this method is "biological control". This term refers to the use of living organisms, such as predators, parasites, or pathogens, to suppress pest populations.

4. **Conclusion**: Therefore, when a natural predator is applied to control pathogen organisms, this process is called "biological control".

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