Transpiration and guttation

Explanation

**Step-by-Step Solution:**

1. **Definition of Transpiration and Guttation:**
- Transpiration is the process by which water vapor is lost from the aerial parts of plants, primarily through small openings called stomata, as well as through the cuticle and lenticels.
- Guttation is the process of water exudation from the leaves of plants, specifically through specialized structures known as hydathodes.

2. **Mechanism of Water Loss:**
- In transpiration, water is lost in the form of water vapor.
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