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In Batesian mimicry, a palatable species gains protection by mimicking an unpalatable
Chapter 54, Problem 13(choose chapter or problem)
In Batesian mimicry, a palatable species gains protection by mimicking an unpalatable one. Imagine that individuals of a palatable, brightly colored fly species are blown to three remote islands. The first island has no predators of that species; the second has predators but no similarly colored, unpalatable species; and the third has both predators and a similarly colored, unpalatable species. In a short essay (100150 words), predict what might happen to the coloration of the palatable species on each island through evolutionary time if coloration is a genetically controlled trait. Explain your predictions.
Questions & Answers
QUESTION:
In Batesian mimicry, a palatable species gains protection by mimicking an unpalatable one. Imagine that individuals of a palatable, brightly colored fly species are blown to three remote islands. The first island has no predators of that species; the second has predators but no similarly colored, unpalatable species; and the third has both predators and a similarly colored, unpalatable species. In a short essay (100150 words), predict what might happen to the coloration of the palatable species on each island through evolutionary time if coloration is a genetically controlled trait. Explain your predictions.
ANSWER:If coloration is a genetically controlled trait, evolutionary time will affect the palatable species differently on each island. On the first island, with no predators, the coloration of the palatable species will not change as there is no selective pressure to evolve. On the second island, with predators but no similarly colored, unpalatable species, the palatable spe