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Amazing Animal Engineers
Leon Gray
出版Raintree, 2015-07-02
主題Juvenile Nonfiction / Animals / GeneralJuvenile Nonfiction / Science & Nature / General
ISBN14747021559781474702157
URLhttp://books.google.com.hk/books?id=07xeCgAAQBAJ&hl=&source=gbs_api
EBookSAMPLE
註釋Animals build an incredible array of structures in which to sleep, raise young, or catch prey. Some structures involve excavating in subsoil or wood, others involve construction underwater, and some are fixed to trees. Polar bears dig out caves in the snow to protect themselves from the coldest weather. Spiders spin webs of incredibly strong silk to ensnare prey. Prairie dogs dig underground 'towns' that can house hundreds of families.