ln mosses, the spores germinate to given rise to _________ .

Explanation

**Step-by-Step Solution:**

1. **Understanding Spores in Mosses**: In mosses, the life cycle starts with the production of spores. These spores are a crucial part of their reproductive process.

2. **Germination of Spores**: When the spores of mosses germinate, they undergo a process of growth. This is the first step after the spores are released.

3. **Formation of Protonema**: The germinated spores develop into a structure known as a protonema. This is a filamentous structure that resembles a green, thread-like growth.

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