sexta-feira, 3 de abril de 2009

ORIGINS : ON THE ORIGIN OF FLOWERING PLANTS

Elizabeth PennisiScience 3 April 2009: 28-31. Summary: Which plant was the mother of all angiosperms? In the fourth essay in Science's series in honor of the Year of Darwin, Elizabeth Pennisi discusses efforts to answer Darwin's question about how flowering plants diversified and spread so rapidly across the globe.

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