Male Guinea Worm has

Options

A. Curved posterior end
B. Cloaca
C. Two copulatory spicules
D. All the above

Answer

**Step-by-step Solution:**

1. **Scientific Classification**: The male Guinea Worm is scientifically known as *Dracunculus medinensis*. This is important to establish its identity and classification within the nematodes.

2. **Type of Organism**: The Guinea Worm is classified as a nematode, which is a type of roundworm. Understanding its classification helps in recognizing its biological characteristics.

3. **Disease Association**: The male Guinea Worm is associated with a disease known as dracunculiasis, commonly referred to as Guinea Worm disease. This highlights the significance of the organism in human health.

4. **Size Comparison**: The male Guinea Worm is significantly smaller than the female. The male measures about 4 centimeters, while the female can grow up to 80 centimeters. This size difference is a key characteristic in distinguishing between the sexes.

5. **Body Structure**: The male Guinea Worm has a curved posterior end, which is a distinctive feature. This curvature is important for its reproductive functions.

6. **Excretory and Reproductive Structures**: The male has a cloaca, which is an opening for the excretion of waste materials. Additionally, it possesses two copulatory spicules, which are structures used during mating. These features are crucial for understanding the reproductive biology of the male Guinea Worm.

7. **Conclusion**: In summary, the male Guinea Worm (*Dracunculus medinensis*) is smaller than the female, has a curved posterior end, a cloaca for excretion, and two copulatory spicules.

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