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Grade 3. The Building Blocks of Science® unit Life in Ecosystems 2nd Edition introduces students to the diversity of living organisms, a significant component of a healthy ecosystem. Available unit materials: 1-use refurbishment set (item #514724), 3-use refurbishment set (item #514724U3), teacher's guide (item #514702A), on-grade student reader (item #514703B), and below-grade student reader (item #514703ABGR). View unit’s current 3rd Edition.
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Grade 3. The Building Blocks of Science® unit Life in Ecosystems 2nd Edition introduces students to the diversity of living organisms, a significant component of a healthy ecosystem. Available unit materials: 1-use refurbishment set (item #514724), 3-use refurbishment set (item #514724U3), teacher's guide (item #514702A), on-grade student reader (item #514703B), and below-grade student reader (item #514703ABGR). View unit’s current 3rd Edition.
