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Resource Library  |  Key Concepts  |  Grades 7 to 9, Grades 10 to 12

Cycling of Energy and Matter in Ecosystems

Above Image: Tomato plants grow in a greenhouse © Goldlocki, Wikimedia Commons

Grade 7 (Secondary I, II)


Biogeochemical Cycles

Find articles, videos, career profiles, and more about the cycling of matter on Earth.


Grade 10 (Secondary IV)