01079nam a2200217Ia 4500 CTU_207467 210402s9999 xx 000 0 und d 60000 428.64 S756 Spilsbury, Louise Wonderful Ecosystems Louise & Richard Spilsbury Oxford Oxford University Press 2010 Read and discover all about wonderful ecosystems on Earth ... How are polar bears adapted to living in a frozen ecosystem? What are decomposers? This exciting new series of non-fiction readers provides interesting and educational content, with activities and project work. The readers are graded at four levels, from 3 to 6, suitable for students from age 8 and older Cộng đồng sinh học,Sinh thái học,Readers,Biotic communities,Ecology,Đọc Văn học thiếu niên,Văn học thiếu niên,Juvenile literature,Juvenile literature Tuyến Trung tâm Học liệu Trường Đại học Cần Thơ