Wildflower colors tell butterflies how to do their jobs
Sunday, January 9, 2011 - 19:30
in Biology & Nature
The recipe for making one species into two requires time and some kind of separation, like being on different islands or something else that discourages gene flow between the two budding species. In the case of common Texas wildflowers that share meadows and roadside ditches, color-coding apparently does the trick.