Animals whose numbers are diminishing to a lvel that they might face extinction are known as:

Options

A. endangered
B. endemic
C. flora
D. fauna

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a term that describes animals whose populations are decreasing to the point of potential extinction.

2. **Identifying the Options**: The options given are:
- Endangered
- Endemic
- Fluoride
- Fauna

3. **Analyzing Each Option**:
- **Endangered**: This term refers to species that are at risk of extinction due to a significant decline in their population.
- **Endemic**: This term refers to species that are native to a specific geographic area and not found elsewhere.
- **Fluoride**: This term is unrelated to animals and refers to a chemical compound.
- **Fauna**: This term refers to the animal life of a particular region or time.

4. **Selecting the Correct Answer**: Among the options, "endangered" is the term that specifically describes animals whose numbers are diminishing to a level that they might face extinction.

5. **Conclusion**: Therefore, the correct answer is "endangered."

**Final Answer**: Animals whose numbers are diminishing to a level that they might face extinction are known as **endangered**.

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