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Examining Stability and Change in Physical and Ecological Systems

Ecological Energetics, Nutrient Cycles, and Biodiversity

8th Grade·Science·Open Global Science

Updated 1 month ago · 3 views

Analyze how species richness, genetic diversity, and keystone species buffer ecological networks against natural and anthropogenic perturbations.

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Ecological Energetics, Nutrient Cycles, and Biodiversity

8th Grade · Science · Open Global Science

5 lessons

Goal

Construct ecological pyramids, quantify biogeochemical cycling, analyze community interactions, and evaluate biodiversity conservation.

5 lessons

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Levels of Ecological Organization: From Organisms to BiomesUp next
Ecological Pyramids of Numbers, Biomass, and EnergyNot started yet
Carbon, Nitrogen, and Water Biogeochemical CyclesNot started yet
Community Structures, Symbiosis, and Local Vegetation PatternsNot started yet
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Learning standards covered

OGS.9.LS.7Open Global Science Standards 2026™ · 8th Grade

Model trophic energy flow through ecological pyramids, nutrient cycling, community structures, local vegetation patterns, and explain how biodiversity ensures ecosystem stability and sustainability.