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Symbiosis
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Revised edition from Twenty First Century Books (October 1, 2007)
9780822567998 | details & prices | 96 pages | 6.25 × 8.50 × 0.50 in. | Rec. grade levels 4-6 | 0.70 lbs | List price $31.93
About: Discusses the three kinds of symbiosis--mutualism, commensalism, and parasitism--and describes examples of these relationships.
About: Discusses the three kinds of symbiosis--mutualism, commensalism, and parasitism--and describes examples of these relationships.