Incredible But True Incredible But True Human World History Makers Cities Of The World Art And Music Sporting Headlines Plant Life Fish, Amphibians, Reptiles Birds and Mammals Creepy Crawlies Marine Life Restless Earth Earth's Secrets Changing Weather Seas And Oceans Comparisons Amazing Structures Machines And Man World Of Inventions Travelling Around Mysterious Universe	Surprise Move The limpet moves off its rock to look for food when the tide comes in, returning to exactly the same place when the tide goes out again.   Previous: Back Book: Incredible But True Section: Incredible But True Chapter: Marine Life