From chapters.ca:In his latest eye-popping work of picture book nonfiction, the Caldecott Honor-winning author-illustrator Steve Jenkins explains how for most animals, eyes are the most important source of information about the world in a biological sense. The simplest eyes-clusters of light-sensitive cells-appeared more than one billion years ago, and provided a big survival advantage to the first creatures that had them. Since then, animals have evolved an amazing variety of eyes, along with often surprising ways to use them.
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