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Summary

Description	English: Two types of experimental tests of ecological speciation caused by divergent environments. In experiment 1, a speciation event predicted to have occurred due to an ecologically-based divergent factor giving rise to two new species (1a). The experiment produces viable and fertile hybrid offspring and places them in isolated settings that match their parental environments (1b). The experiment predicts that, "reproductive isolation should then evolve in correlation with environment, building between populations in different environments and being absent between laboratory and natural populations from similar environments."^[1] In experiment 2, a peripatric speciation event between a mainland species and an isolated endemic population occurs (2a). A laboratory setting replicates the mainland environmental conditions thought to have driven speciation and a mainland population is placed within it. The experiment predicts that the transplant will show evidence of isolation that matches that of the island endemic (2b).^[1]
Date	11 December 2020
Source	Own work
Author	Andrew Z. Colvin

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1 2 Howard D. Rundle & Patrik Nosil (2005), “Ecological speciation”, in Ecology Letters, volume 8, DOI:10.1111/j.1461-0248.2004.00715.x, pages 336–352