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Title: Ants: Crashing picnics for 158 million years Written by: duddy on Apr 22, 2013 (https://biology-forums.com/gallery/47/4_22_04_13_9_06_00.jpeg) (https://biology-forums.com/index.php?action=gallery;sa=view;id=12197) There are over 12,000 species of ants in the world, and a new tree of life has been published to better understand how they are all related. Their evolutionary origins have been traced to the tropics in South America, where they play a critical role in maintaining the health of the ecosystem. |