Word: costa
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...think that what we were seeing in Ecuador is an earlier stage in the process of speciation that occurred in Costa Rica,” Kronforst said...
...recent study in Western Ecuador was prompted by a 2002 study in Costa Rica, which focused on two species of geographically separated butterflies with a common ancestor. Although these white– and yellow–winged species had once been the same species, members of each preferred mating with butterflies of the same species—an example of what is known as assortative mating preference...
This mimicry caused some of the population to have yellow wings and others white wings, but the Heliconius group in Ecuador was still genetically identical in every other way, unlike in Costa Rica...
...team found that assortative mating preference in Ecuador was observed some of the time, while in Costa Rica it was observed nearly all the time...
...down one goal in stoppage time, the United States struck a last second header into the back of the net to tie Costa Rica, sending Honduras to its second World Cup finals appearance—and relieving the team of 27 years of burdensome expectations...