The first seed plants appeared during

Options

A. Cretaceous era
B. Caboniferous era
C. Devonian era
D. Silurian era

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the era during which the first seed plants appeared. We need to identify the correct geological era from the options provided: Cretaceous, Carboniferous, Devonian, and Silurian.

2. **Reviewing Geological Eras**:
- **Cretaceous Era**: This era is known for the dominance of flowering plants and the extinction of dinosaurs.
- **Carboniferous Era**: This era is characterized by the development of extensive forests and the first amphibians.
- **Devonian Era**: Often referred to as the "Age of Fishes," this era saw significant evolutionary developments among plants and animals.
- **Silurian Era**: This era is known for the first land plants but not for seed plants.

3. **Identifying Key Developments in the Devonian Era**:
- The Devonian era is crucial because it marks the evolution of several plant groups that developed leaves and roots.
- By the end of the Devonian period, the first seed plants appeared, indicating a significant evolutionary advancement.

4. **Conclusion**: Based on the information reviewed, the first seed plants appeared during the **Devonian Era**. Therefore, the correct answer to the question is the Devonian Era.

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