Organisms which thrive in skin folds such as groin or between toes of humans are

Options

A. Round worms
B. Pinworms
C. Ring worms
D. Flat worms

Answer

To answer the question "Organisms which thrive in skin folds such as groin or between toes of humans are," we will follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question is asking for organisms that thrive in specific areas of the human body, particularly in skin folds like the groin and between the toes.

2. **Identifying the Types of Organisms**: The options provided include ringworm, pinworms, roundworms, and flatworms. We need to determine which of these organisms are known to thrive in moist, skin-fold areas.

3. **Analyzing the Options**:
- **Ringworm**: This is a fungal infection that often occurs in warm, moist areas of the body, including skin folds. It is caused by dermatophytes, which are fungi that thrive in such environments.
- **Pinworms**: These are intestinal parasites that primarily affect the digestive system and are not associated with skin infections.
- **Roundworms**: These are also intestinal parasites and do not thrive in skin folds.
- **Flatworms**: These are a group of parasitic worms that do not typically cause infections in skin folds.

4. **Conclusion**: Based on the analysis, the organism that thrives in skin folds, such as the groin or between the toes, is **ringworm**. This is due to its nature as a fungus that prefers warm, moist environments.

5. **Final Answer**: The correct answer is **ringworm**.