Name the different types of ecosystems depending upon their size.

Explanation

### Step-by-Step Solution:

1. **Understanding Ecosystems**: Ecosystems are communities of living organisms interacting with their environment. They can be categorized based on their size.

2. **Types of Ecosystems by Size**:
- **Micro Ecosystem**: This type refers to small-scale ecosystems. An example of a micro ecosystem is a tree trunk, which can host various organisms like insects, fungi, and moss.

- **Meso Ecosystem**: This type represents medium-scale ecosystems. A good example of a meso ecosystem is a small lake. It is larger than a micro ecosystem but smaller than a macro ecosystem.
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