In aschelminthes the excretory tube removes body wastes from the body cavity through

Options

A. Exrcetory pore
B. Malpighian tubules
C. Flame cells
D. Diffusion from body surface

Explanation

### Step-by-Step Solution

1. **Understanding the Question**: The question asks about how the excretory tube in Aschelminthes removes body wastes from the body cavity.

2. **Identifying the Phylum**: Aschelminthes is a phylum that includes organisms commonly known as roundworms.

3. **Excretory Structures in Aschelminthes**: In Aschelminthes, the excretory system is responsible for the elimination of waste products.

4. **Recognizing the Excretory Aperture**: The excretory system in Aschelminthes includes structures known as excretory pores, which serve as openings for waste elimination.

5. **Evaluating the Options**:
- **Excretory Pore**: This is the correct answer as it is specifically mentioned that these pores are responsible for waste removal in Aschelminthes.
- **Malfegian Tubules**: These are excretory structures found in arthropods, not Aschelminthes, so this option is incorrect.
- **Flame Cells**: These are excretory structures found in flatworms (Platyhelminthes), not in Aschelminthes, making this option incorrect as well.
- **Diffusion from Body Surface**: This method of waste elimination is characteristic of Echinodermata, thus this option is also incorrect.

6. **Conclusion**: The correct answer is that in Aschelminthes, the excretory tube removes body wastes from the body cavity through the **excretory pore**.