Differentiate between geitonogamy and xenogamy.

Explanation

### Step-by-Step Solution

1. **Definition of Geitonogamy**:
- Geitonogamy is a type of pollination where the pollen from one flower fertilizes the ovule of another flower on the same plant.
- This means that the genetic material comes from the same individual plant.

2. **Definition of Xenogamy**:
- Xenogamy, on the other hand, is a type of pollination where the pollen from one flower fertilizes the ovule of a flower on a different plant.
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