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New research constructs ant family tree
Date:4/21/2013

ates have more species because this is where the oldest groups persist throughout evolutionary time. The converse of this explanation is that the tropics are a cradle where new species are more likely to be generated.

To better understand where on the planet the ants arose and if any single geographic area was more important for their evolutionary origins, Moreau and Bell reconstructed the biogeographic history of the ants. These analyses found that the Neotropics of South America were vital to the deep and continued evolutionary origin of the ants. This finding suggests that for the ants the rainforests of the Neotropics are both a museum, protecting many of the oldest ant groups, and also a cradle that continues to generate new species.

As ants are one of the most ecologically important groups of terrestrial organisms, these findings suggest that protecting the rainforests of the Neotropics are vital to the health and success of both the ants that live in them and all the other animals, plants, fungi, and microbes worldwide that rely on ants to survive.


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