The concept of "hotspot" was first introduced by :

Options

A. Mayer
B. Simpson
C. Myers
D. David.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the origin of the concept of "hotspot" in biodiversity.

2. **Identifying the Options**: The options provided are:
- A) Mayer
- B) Simpson
- C) Myers
- D) David

3. **Recalling Relevant Information**: The concept of biodiversity hotspots refers to regions that are both rich in endemic species and threatened by human activities.

4. **Identifying the Correct Scientist**: The scientist who first introduced the concept of biodiversity hotspots is Norman Myers.

5. **Conclusion**: Therefore, the correct answer to the question is option C) Myers.