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Tuesday, November 29, 2005

Wings in the Morning: Insect Evolution

From a NY Times article by Carl Zimmer
The oldest living lineages of insects - which include bristletails and silverfish - number only 900 species today. These early insects may not have been able to become very diverse because they didn't have wings. When insects later evolved the ability to fly, they gained the ability to explore more territory and find new kinds of food - giving rise to more species.

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