Supply the appropriate scientific term for
The arrangement of the leaves on the stem.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the scientific term that describes how leaves are arranged on a stem.

2. **Identifying the Term**: The scientific term for the arrangement of leaves on a stem is "phyllotaxy."

3. **Defining Phyllotaxy**: Phyllotaxy refers to the specific pattern in which leaves are arranged on the stem or branches of a plant.

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