3.12B

Changes to Food Chains

Flow of Energy

Food Chains

3.12C

Droughts

Floods

Natural Changes to Environments

4.12A

Photosynthesis

4.12C

Evidence of Past

5.12A

Abiotic

Biotic

Biotic and Abiotic Cumulative

5.12B

Cycling of Matter

Food Chain

Food Web

Cycling of Matter and Flow of Energy Cumulative

Predicting Change

5.12C

Human Effects on Ecosystems