The News Of Tomorrow, Today
The News Of Tomorrow, Today
Sexual Conflict
Male animals can be greedy about paternity. They have evolved a ton of different strategies to help them monopolize a female’s eggs. Beating up rivals is a general favourite. Some species use long bouts of sex to keep females away from new mates. Still others stop up female genitals with…
A mating system that puts the sexes in conflict can evolve some pretty extreme copulatory structures. Spiky penises and twisty vaginas are the tip of the iceberg. According to a study in the Journal of Experimental Biology last week, we should add protein-melting vaginal tracts to the list.
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