Potato is a stem and sweet potato is a root. Justify the statement.

Explanation

To justify the statement that "Potato is a stem and sweet potato is a root," we can analyze the characteristics and modifications of both plants step by step.

### Step 1: Understanding Potato as a Stem
- **Definition**: The potato (Solanum tuberosum) is classified as a stem modification.
- **Structure**: Potatoes are underground tubers that develop from the stem of the plant.
- **Nodes and Internodes**: Potatoes have nodes and internodes, which are parts of the stem. The nodes are known as "eyes" of the potato, where new shoots can emerge.
- **Absence of Scale Leaves**: Unlike typical stems, potatoes do not have scale leaves, which further supports their classification as stem modifications.
- **Function**: The primary function of potatoes is to store carbohydrates, which serve as an energy reserve for the plant.
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