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GIZMOS;POND ECOSYSTEM WORKSHEET QUESTIONS AND ANSWERS,DOHA AL NIMER

Vocabulary: abiotic factor, algal bloom, biotic factor, concentration, eutrophication, mean, oxygen, parts per million, photosynthesis Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. All animals need oxygen. We get oxygen from the air we breathe. How do fish get theirs? Fishes get their oxygen by filtering water through their gills to get oygen since they don’t have lungs like humans do. 2. Where does the “fizz” in soda come from? Carbon dioxide Gizmo Warm-up T...