A small island stinks so badly that people dare not approach it. Finally one day, explorer North started to search for the secrets of the mysterious island. In the process, he found all kinds of different animal feces. Follow North to find the answer and solve the mystery of the island! Through this story, children will learn the excretion characteristics of different animals in this adventure. Understanding how food is transformed into different forms of excrement after digestion can also discover the importance of feces in the ecosystem, rather than just "dirty things".
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