Resin ducts and latex tubes are seen in ____

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the presence of resin ducts and latex tubes. We need to identify which group of plants these structures are commonly found in.

2. **Identifying Plant Groups**: There are two main groups of seed-producing plants: gymnosperms and angiosperms. Gymnosperms are non-flowering plants, while angiosperms are flowering plants.

3. **Characteristics of Gymnosperms**: Gymnosperms include woody plants such as trees and shrubs. They are characterized by having seeds that are not enclosed within an ovary, meaning the seeds are exposed.

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