37 (14-21)
Energy Flow vs. Chemical Cycling
• 37.14: chemical cycles vs energy flow• 37.15: which biomes provide for best primary
productivity? (ones with most diversity)• 37.16: Each trophic level only receives 10% of
available energy!• 37.17: more energy available from plants than
meats to humans• 37.18: decomposers at every level
Chemical Cycles
Carbon
Nitrogen
Phosphorus
Water
The Carbon Cycle
The Nitrogen Cycle
The Water Cycle