By looking at which internal structure of a plant can you tell whether a plant is `C_(3) or C_(4)` ? Explain.

Explanation

To determine whether a plant is a C3 or C4 type by examining its internal structure, you can follow these steps:

### Step-by-Step Solution:

1. **Understand the Types of Photosynthesis**:
- C3 and C4 refer to two different pathways of photosynthesis in plants. C3 plants utilize the Calvin cycle directly, while C4 plants have a modified pathway that helps them efficiently fix carbon dioxide in hot and dry conditions.

2. **Identify Kranz Anatomy**:
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