Hibernation is a cycle that some animals go through every year. Most people know that bears hibernate. But why do they hibernate? And what other animals hibernate?
语言 英语 ● 格式 PDF ● ISBN 9780761362616 ● 出版者 Lerner Publishing Group ● 发布时间 2010 ● 下载 3 时 ● 货币 EUR ● ID 4741995 ● 复制保护 Adobe DRM
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