Define hydrosere.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Term "Hydrosere":**
- The term "hydrosere" can be broken down into two parts: "hydro" and "sere."
- "Hydro" refers to water, while "sere" relates to a series or succession.

2. **Defining Ecological Succession:**
- Ecological succession is the process of change in the species structure of an ecological community over time.
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