An animal which has no mouth and no digestive system is :

Options

A. Antelope
B. Amoeba
C. Alligator
D. Angora

Answer

To answer the question "An animal which has no mouth and no digestive system is:", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: We need to identify an animal that lacks both a mouth and a digestive system.

2. **Define Digestive System**: A digestive system is a complex system that includes a digestive tract and organs responsible for breaking down food into nutrients.

3. **Identify the Options**: The options given are antelope, amoeba, alligator, and angora.

4. **Analyze Each Option**:
- **Antelope**: This is a vertebrate and has a developed digestive system, including a mouth.
- **Amoeba**: This is a unicellular organism that does not have a mouth or a digestive system in the traditional sense. It digests food using a food vacuole, which is a part of its single cell.
- **Alligator**: This is also a vertebrate with a well-developed digestive system and a mouth.
- **Angora**: This refers to Angora rabbits, which are vertebrates and possess a digestive system and mouth.

5. **Conclusion**: The only option that fits the criteria of having no mouth and no digestive system is **amoeba**.

### Final Answer:
An animal which has no mouth and no digestive system is **amoeba**.