The origin of angiosperm took place during

Options

A. mesozoic era
B. coenozoic era
C. archeozoic era
D. proterozoic era

Answer

**Step-by-Step Solution:**

1. **Understanding Angiosperms**: Angiosperms are flowering plants characterized by the presence of seeds enclosed within a fruit. This distinguishes them from gymnosperms, which have naked seeds.

2. **Identifying the Timeframe**: The question asks about the origin of angiosperms. Based on scientific evidence, angiosperms first appeared around 125 million years ago.

3. **Linking to Geological Periods**: The emergence of angiosperms is associated with the Cretaceous period, which is a significant geological time frame in the Mesozoic era.

4. **Mesozoic Era Context**: The Mesozoic era is known for the dominance of dinosaurs and is divided into three periods: Triassic, Jurassic, and Cretaceous. The origin of angiosperms specifically occurred during the Cretaceous period.

5. **Conclusion**: Therefore, the origin of angiosperms took place during the Mesozoic era, specifically in the Cretaceous period.

**Final Answer**: The origin of angiosperms took place during the Mesozoic era, approximately 125 million years ago, in the Cretaceous period.

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