Mutation-order divergence by sexual selection: diversification of sexual signals in similar environments as a first step in speciation.

Abstract excerpt

The origin of species remains a central question, and recent research focuses on the role of ecological differences in promoting speciation. Ecological differences create opportunities for divergent selection (i.e. 'ecological' speciation), a Darwinian hypothesis that hardly requires justification. In contrast, 'mutation-order' speciation proposes that, instead of adapting to different environments, populations...

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