Bees underwent massive extinctions when dinosaurs did(sciencedaily.com)
sciencedaily.com
Bees underwent massive extinctions when dinosaurs did
http://www.sciencedaily.com/releases/2013/10/131024121158.htm
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Paper at: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjourna...