Photosynthesis Light energy to chemical energy (glucose) Waste = oxygen Glucose turned to starch Passed to animals Passed from animal to animal Each time released by respiration (ATP)
Clog waterways with runoff esp road works - lots of clay and silt Pollution Drought Over fish deforestation
Determine energy flow and chemical recycling in an ecosystem Producers (autotrophs) Primary consumers (herbavores) Secondary consumers (eat herbivores) Tertiary consumers ( eat secondary consumers ) Quaternary consumers ……….