Frogs, minnows, snails, ducks, catfish, and muskrats are a few of the animals that make up a lake and pond food web. But do you know why mosquitoes, mold, water lilies, and bacteria are important too? Or how humans can change the health of a lake or a pond? See lake and pond food webs in action in this fascinating book.
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语言 英语 ● 格式 PDF ● ISBN 9781467717762 ● 出版者 Lerner Publishing Group ● 发布时间 2013 ● 下载 3 时 ● 货币 EUR ● ID 4764546 ● 复制保护 Adobe DRM
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