1. 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.

2. AP Exam Review
Ecosystems

3. 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

4. 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

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

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

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

8. 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

9. 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

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