Explain why angiosperms have been more successful than gymnosperms.

Explanation

**Step-by-Step Solution:**

1. **Definition of Angiosperms and Gymnosperms**:
- Angiosperms are flowering plants that produce seeds enclosed within a fruit. Gymnosperms are non-flowering plants that produce seeds exposed on cones or other structures.

2. **Fertilization Efficiency**:
- Angiosperms have flowers that attract pollinators (like insects) through their colors and scents. This attraction increases the chances of successful pollination and fertilization.
- In contrast, gymnosperms primarily rely on wind for pollination, which is less efficient since it does not guarantee that pollen will reach another plant.
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