What is psammosere ?

Explanation

### Step-by-Step Solution:

1. **Understanding the Term "Psammosere":**
- The term "psammosere" is derived from the Greek word "psammos," which means sand. It refers to a type of ecological succession that occurs in sandy environments.

2. **Definition of Ecological Succession:**
- Ecological succession is the process by which ecosystems change and develop over time. It involves a series of stages where different communities of organisms replace one another in a particular area.

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