Do Now The net primary productivity of an ecosystem is 1 kg C/m2 /year, and the energy needed by the producers for their own respiration is 1.5 kg C/m2 /year. The gross primary productivity of such an ecosystem would be ___________. (Show your work) 0.5 kg C/m2 /year. 1.0 kg C/m2 /year. 1.5 kg C/m2 /year. 2.0 kg C/m2 /year. 2.5 kg C/m2 /year.

AP Exam Review Ecosystems

Case Studies Deforestation in Haiti Dung of the Devil Read your article (5 min) Be prepared to discuss the contents of your article with the half of the class who have your article (7 min) Be prepared to share the information in your article and your discussion points with the half of the class that does not (10 min) *Take any notes you feel are necessary on the back of your Do Now

Ecosystem Ecology Herbivore Edge Effect Secondary Consumer Carnivore Salinity Primary Consumer Omnivore Depth Producer Keystone Terrestrial Autotroph Decomposers Aquatic Heterotroph Detritivores Food Chain Niche Food Web Generalist Species Diversity Specialist Tertiary Consumer

Energy Flow in Ecosystems Photosynthesis & Formula Cellular Respiration & Formula GPP & Formula NPP & Formula 10% Rule Chemosynthesis

Ecosystem Diversity Ecosystem Services Speciation Extinction Natural Selection Evolution Support Provisions Regulation Culture

Natural Ecosystem Change Adaptive Radiation Primary Succession Secondary Succession How the following affect ecosystem climates Earth & Sun Relationship Volcanoes Plate Tectonics

biomes Tropical Rainforest Lakes Tropical Savanna Ponds Subtropical Desert Streams Temperate Forest Rivers Temperate Grassland Wetlands Boreal Forest Estuaries Tundra Mangroves Intertidal Zone Coral Reefs Open Ocean

Final Question Less than 100 years Between 100 and 300 years Some scientists estimate that the current global extinction rate is about 30,000 species per year. If there are currently 10,000,000 species on Earth, how long will it take to destroy all of Earth’s biodiversity? (Draw a line dividing the front of you Do Now in half horizontally and show your work) Less than 100 years Between 100 and 300 years Between 300 and 500 years Between 500 and 700 years Between 700 and 1,000 years

FRQ Practice Take out one sheet of loose leaf paper No notes No talking Label ALL of your answers You have 22.5 minutes