A boa constrictor in the U.K. gave birth to 14 babies — without a mate. Is it a miracle? The result of a secret rendezvous? Probably not. Females of species have the ability to reproduce asexually, ...
Tim Janicke, Lucas Marie-Orleach, Thomas G. Aubier, Charles Perrier, Edward H. Morrow, Roger K. Butlin and Alice A. Winn Evolutionary theory predicts that positive assortative mating—the tendency of ...
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