crop diversity crop diversity

While many Americans only know one kind of pomegranate — the ruby red Wonderful — there are actually dozens of varieties with different flavor and heartiness profiles. Sean Nealon/University of California, Riverside hide caption

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Sean Nealon/University of California, Riverside

Wild bees, such as this Andrena bee visiting highbush blueberry flowers, play a key role in boosting crop yields. Left photo by Rufus Isaac/AAAS; Right photo courtesy of Daniel M.N. Turner hide caption

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Left photo by Rufus Isaac/AAAS; Right photo courtesy of Daniel M.N. Turner

Wild Bees Are Good For Crops, But Crops Are Bad For Bees

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Farmers dry cacao beans in Uchiza, Peru, a file photo from 2008. Researchers are exploring the wild cacao bounty of Peru's Amazon Basin, part of an effort to jump-start the country's premium cacao industry.

Martin Mejia/AP hide caption

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Martin Mejia/AP