Galapagos

... determined by multiple genes. Another example which is from a natural situation is beak size in birds. In particular, Darwin's finches in the Galapagos islands. During a period of drought, small-seed plants began to dominate the flora and there was selective pressure for reduced beak size ...

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The side of the island that already has the intermediates and the two extremes. In the Galapagos, there is a big beak finch on one of the islands eating the big nuts that only grow on that island. And on another island, there is only small beak finches because there ...

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... reducing variation. So I am unsure what the overal effect of diversifying selection is-increase in variation or decrease? For example, in the galapagos finches, the diversifying selection within a single population-would it lead to an increase or decrease in variation?

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Hi, I'm studying biology in France. I would like to know if anybody in here has ever worked or heard about/read about people who work in the Galapagos Islands doing biology (of any kind). I'm asking because I am a resident of Ecuador (Galapagos belongs to Ecuador) but the information available ...

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... way the same ancestor radiates into different forms under the different environmental conditions on different islands. This was very true for the Galapagos and Darwin's finches.

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