The Permian period, during which the first most modern orders of insects appeared occurred approximately
1. 80 million years ago
2. 150 million years ago
3. 280 million years ago
4. 550 million years ago
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Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
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The last major evolutionary advancement among the vascular plants was the emergence of flowering plants
(angiosperms) about
1. 350 million years ago
2. 140 million years ago
3. 16,00 million years ago
4. 220 million years ago
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