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A biologist who released lizards on tiny uninhabited islands in the Bahamas has shed light on the interaction between evolutionary processes that are seldom observed. He found that the lizards' genetic and morphological traits were determined by both natural selection and a phenomenon called founder effects, which occur when species colonize new territory.

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In the first experimental study of the founder effect in a natural setting, researchers found that natural selection does not overwhelm the founder effect.

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More than a million green turtle eggs were laid last year on one of the Turtle Islands in the Philippines.

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Sex is so dangerous for some that they actually castrate themselves during the act but it makes them stronger.

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