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| Picky females promote diversity Posted: 01 Apr 2012 10:53 AM PDT Picky females play a critical role in the survival and diversity of species, according to a new study. To date, biodiversity theories have focused on the role played by adaptations to the environment: the species best equipped to cope with a habitat would win out, while others would gradually go extinct. The new study presents the first theoretical model demonstrating that selective mating alone can promote the long-term coexistence of species -- such as frogs, crickets, grasshoppers and fish -- that share the same ecological adaptations and readily interbreed.  |
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