PART II - Mr. Carlson's Science 8 - Home

3-4 What happens to matter in an ecosystem? A. Nutrient cycles/biogeochemical cycles are global recycling systems that interconnect all organisms. 1. These cycles include the carbon, oxygen, nitrogen, phosphorus, and water cycles. B. The water/hydrologic cycle collects, purifies, and distributes the earth’s water in a vast global cycle. 1. ................
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