Diseases caused by different species of worms include

Options

A. elephantiasis
B. ascariasis
C. intestinal infections
D. all of these

Explanation

**Step-by-Step Solution:**

1. **Identify the Diseases Caused by Worms:**
- The question asks for diseases caused by different species of worms. Some known diseases include:
- Elephantiasis (also known as Lymphatic Filariasis)
- Ascariasis
- Intestinal infections

2. **Identify the Worms Responsible for Each Disease:**
- **Elephantiasis:**
- The disease is caused by the filarial worm, specifically *Wuchereria bancrofti*. This worm affects the lymphatic system, leading to chronic inflammation and swelling, particularly in the lower limbs.
- **Ascariasis:**
- This disease is caused by the roundworm *Ascaris lumbricoides*. It primarily affects the intestines and can lead to symptoms such as internal bleeding, muscular pain, and intestinal blockage.
- **Intestinal Infections:**
- Various intestinal parasites can cause infections, including different species of worms. Examples include hookworms and tapeworms.

3. **Conclusion:**
- Based on the information provided, it is clear that all the mentioned diseases (Elephantiasis, Ascariasis, and other intestinal infections) are caused by different species of worms. Therefore, the correct answer to the question is "all of these."

**Final Answer:**
- Diseases caused by different species of worms include Elephantiasis, Ascariasis, and intestinal infections. Hence, the answer is "all of these."

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