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9780531204559
How does a caterpillar become a butterfly or a gray whale find its way home on the world's longest journey from breeding to feeding territory? You'll be amazed at the feats that come naturally to these living things. But don't just take our word for it. See if you can figure out how they do it!Stewart, David is the author of 'How Your Body Works', published 2008 under ISBN 9780531204559 and ISBN 0531204553.
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