The inability of different organisms to interbreed is called

Options

A. Sterility
B. Parasitism
C. Reproductive isolation
D. Monogamy

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes the inability of different organisms to interbreed. This is a concept in biology that relates to how species interact and reproduce.

2. **Analyzing the Options**:
- **Option A: Sterility**: This refers to the inability of an individual organism to reproduce. It does not specifically address the inability of different species to interbreed.
- **Option B: Parasitism**: This is a type of relationship between two organisms where one benefits at the expense of the other. It is not related to interbreeding.
- **Option C: Reproductive Isolation**: This term refers to mechanisms that prevent different species from interbreeding, thus maintaining species boundaries.
- **Option D: Monogamy**: This describes a mating system where an individual has only one mate at a time. It does not relate to interbreeding between different species.

3. **Identifying the Correct Answer**: Given the definitions of the options, the term that best fits the description of the inability of different organisms to interbreed is **reproductive isolation**.

4. **Conclusion**: Therefore, the correct answer is **Option C: Reproductive Isolation**.

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