Name the layer of the atmosphere that is associated with 'good ozone'.
OR
Mention the term used to describe a population interaction between an orchid growing on a forest tree.

Explanation

### Step-by-Step Solution:

1. **Identify the Layer of the Atmosphere Associated with 'Good Ozone':**
- The layer of the atmosphere that contains 'good ozone' is the **stratosphere**. This layer is located approximately 10 to 50 kilometers above the Earth's surface.

2. **Understanding the Role of Ozone:**
- Ozone (O3) in the stratosphere forms a protective layer that absorbs and reflects harmful ultraviolet (UV) radiation from the sun. This is crucial for protecting living organisms, including humans and plants, from the damaging effects of UV light.

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