Blue Crab Comeback
商品資訊
系列名:Smithsonian Readers: Building Literacy With Steam
ISBN13:9781493866908
出版社:Teacher Created Materials
作者:Lesley Ward
出版日:2018/06/01
裝訂/頁數:平裝/32頁
規格:22.9cm*17.8cm (高/寬)
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"Overfishing and changes in crabs' habitats have reduced the number of blue crabs in the Chesapeake Bay. This is a disaster. Many people depend on blue crabs for their jobs. Learn how scientists have stepped in to study the lives of these blue beauties so that they can keep a healthy crab population."--
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