How do land and aquatic plants differ? How do birds mark their territories and attract mates? How are seeds protected from being eaten by animals? Using easy-to-find materials and the scientific method, readers can learn the answers to these questions and more. If readers are interested in competing in science fairs, this book contains great suggestions and ideas for further experiments.
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语言 英语 ● 格式 PDF ● 网页 160 ● ISBN 9780766047983 ● 出版者 Enslow Publishing, LLC ● 发布时间 2010 ● 下载 3 时 ● 货币 EUR ● ID 8663296 ● 复制保护 Adobe DRM
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