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Scientists studied rare butterfly fossils and collected DNA from nearly 2,300 species to create the ultimate tree of life and learn where butterflies originated when they first appeared on Earth ...
(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 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.
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.
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.
By Ashley Strickland, CNN (CNN) — The world’s largest butterfly tree of life is helping researchers determine where the winged insects originated ...
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