Which term refers to the species that are on the verge of extinction?

Options

A. Extinct
B. Endemic
C. Endangered
D. Threatened

Answer

To answer the question "Which term refers to the species that are on the verge of extinction?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: We need to identify the term that describes species that are close to extinction.

2. **Evaluate the Options**:
- **Option 1: Extinct** - This term refers to species that no longer exist. Therefore, it cannot be correct for species that are on the verge of extinction.
- **Option 2: Endemic** - This term refers to species that are native to a particular area and not found elsewhere. This does not relate to extinction status.
- **Option 3: Endangered** - This term refers to species that are at risk of extinction. This is the correct term for species that are on the verge of extinction.
- **Option 4: Threatened** - This term is often used interchangeably with endangered, but it can also refer to species that are at risk but not as critically as endangered species.

3. **Select the Correct Answer**: Based on the evaluation, the correct term for species that are on the verge of extinction is **Endangered**.

### Final Answer:
The term that refers to species that are on the verge of extinction is **Endangered**.

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