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Author: WikiMatrix
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English[en]
Darwin had already shown his theory to their mutual friend Joseph Hooker and now, for the first time, he spelt out the full details of natural selection to Lyell.
Spanish[es]
Darwin, por aquel entonces, ya había mostrado su teoría a su amigo Joseph Hooker, y por primera vez especificó los detalles de la selección natural a Lyell.