Which one is endangered species ?

Options

A. Cuscuta
B. Acacia nilotica
C. Nepenthes
D. Both B and C.

Answer

### Step-by-Step Solution:

1. **Understanding Endangered Species**:
- An endangered species is a type of organism that is at risk of extinction. This means that the population of the species is declining to a point where it may no longer survive in the wild.

2. **Identifying Characteristics**:
- Endangered species often have specific characteristics that make them vulnerable, such as habitat loss, climate change, poaching, or pollution.

3. **Example of an Endangered Species**:
- In this case, the example provided is the **Nepenthes**, commonly known as the pitcher plant.

4. **Description of Nepenthes**:
- The pitcher plant is unique in that it has a structure resembling a pitcher, which allows it to trap insects. This makes it insectivorous, meaning it derives some of its nutrients from consuming insects.

5. **Current Status**:
- The transcript indicates that pitcher plants are not commonly seen in many areas today, which contributes to their classification as an endangered species.

6. **Conclusion**:
- Therefore, based on the information provided, the correct answer to the question "Which one is an endangered species?" is **Nepenthes**.

### Final Answer:
- The endangered species is **Nepenthes** (pitcher plant).

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