(CNN) — The world’s largest butterfly tree of life is helping researchers determine where the winged insects originated when they first appeared on Earth about 100 million years ago. During the age of ...
About 100 million years ago, a group of trendsetting moths started flying during the day rather than at night, taking advantage of nectar-rich flowers that had co-evolved with bees. This single event ...
The world’s largest butterfly tree of life is helping researchers determine where the winged insects originated when they first appeared on Earth about 100 million years ago.Video above: Monarch ...
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