UniGeniusEnvironmental Science Exam Prep

The course

1
Start here
Section I: 80 multiple-choice questions in 90 minutes, 60% of the score. Section II: 3 free-response questions in 70 minutes, 40%.
Free: A tour of the course and the exam Free: Calculations: percent change, unit conversions, rates and the rule of 70 Reading graphs, models and experiments
2
Unit 1: The Living World: Ecosystems
6-8% of the multiple-choice section, about 6 of the 80 questions
Ecosystems, biomes and the biogeochemical cycles Free: Primary productivity, trophic levels and energy flow 12 questions
3
Unit 2: The Living World: Biodiversity
6-8% of the multiple-choice section, about 6 of the 80 questions
Biodiversity, ecosystem services and island biogeography Tolerance, natural disruptions, adaptation and succession 12 questions
4
Unit 3: Populations
10-15% of the multiple-choice section, about 10 of the 80 questions
Generalists and specialists, r and K strategies, survivorship and carrying capacity Age structure, fertility, human population growth and the demographic transition 15 questions
5
Unit 4: Earth Systems and Resources
10-15% of the multiple-choice section, about 10 of the 80 questions
Plate tectonics, soil formation and soil properties The atmosphere, winds, watersheds, seasons, climate and El Nino 19 questions
6
Unit 5: Land and Water Use
10-15% of the multiple-choice section, about 10 of the 80 questions
The commons, clearcutting, the Green Revolution and farming methods Overfishing, mining, urbanization and ecological footprints Sustainability: urban runoff, pest management, farming, aquaculture and forestry 21 questions
7
Unit 6: Energy Resources and Consumption
10-15% of the multiple-choice section, about 10 of the 80 questions
Energy resources, fossil fuels and nuclear power Biomass, solar, hydroelectric, geothermal, hydrogen, wind and conservation 21 questions
8
Unit 7: Atmospheric Pollution
7-10% of the multiple-choice section, about 7 of the 80 questions
Air pollutants, photochemical smog, thermal inversions and indoor air Reducing air pollution, acid rain and noise 12 questions
9
Unit 8: Aquatic and Terrestrial Pollution
7-10% of the multiple-choice section, about 7 of the 80 questions
Pollution sources, aquatic ecosystems, eutrophication and thermal pollution Persistent pollutants, biomagnification, solid waste and sewage treatment Toxicology and human health: LD50, dose-response and pathogens 15 questions
10
Unit 9: Global Change
15-20% of the multiple-choice section, about 14 of the 80 questions
Ozone depletion, the greenhouse effect and climate change Ocean warming and acidification, invasive and endangered species, biodiversity loss 26 questions
11
Free response
Section II: three questions in 70 minutes, 10 points each: design an investigation, analyze data, calculations
Free: The free-response questions: investigation, data and calculations