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Follow the branches of Charles Darwin's "Tree of Life" and discover how plants and animals have evolved in many amazing ways. Find out why crabs run sideways, which fish was the first to walk on land, why birds are similar to dinosaurs, and why brains are located in our heads and not in our feet.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.