Which one of the two , stenothermals or eurythermals , shows wide range of distribution on earth and why?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Terms:**
- Stenothermals: These are organisms that cannot tolerate a wide range of temperatures. They have a limited ability to adapt to temperature changes.
- Eurythermals: These organisms can tolerate a wide range of temperatures. They possess thermoregulation capabilities, allowing them to maintain a stable internal temperature despite external temperature fluctuations.

2. **Analyzing Temperature Tolerance:**
- Stenothermals are typically found in specific environments where temperatures remain relatively constant. For example, many amphibians fall into this category, as they are sensitive to temperature changes and thrive in specific habitats.
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