LIBROS DEL AUTOR: patricia cavanaugh

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  • Migration
    Patricia Cavanaugh
    Migration is a path to life. Scientists study insects, and some study butterflies. They work on migration patterns: which species of butterflies migrate, hibernate, or die. The studies are designed to help prevent a specific disease which causes death in certain children. The answer to the butterfly question might just help. Butterflies adapt; butterflies have evolved over mill...
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    12,84 €