1Carbon cycleCarbon cycle2Global Sink SizeCarbon cycle and fossil fuels• Increase in atmospheric CO2since industrial revolution3Phosphorus CycleNitrogen Cycle4DecomposersFertilizers5Red TideNutrient influx to marine systems from human activitiesShift nutrient dynamics to favor one species6Deforestation Energetics7Specific wavelength absorption by atmospheric componentsWater absorption of wavelengths8Photosynthetically Active Radiation (PAR)Photosynthesis9C3 carbon fixationC4 carbon fixation10Distribution of C4 plantsLight, moisture, nutrients and CO2as resources11Primary ProductionPrimary ConsumerSecondary ConsumerTertiary ConsumerEltonian PyramidPrimary producer – herbivore inefficiency12Simple terrestrial tropic levelsPrimary ProductionPrimary ConsumerSecondary ConsumerTertiary ConsumerEltonian PyramidBiomass from all levelsavailable to detritivores.13More energy in and/or greater efficiency should result in more trophic levels.14Energy allocation for annual plantEndotherm vs. Ectotherm thermoregulation15Realistic Food WebLife History and the Evolution of Sex16Fitness costs of sexual reproductionEvolution of