College Board AP® Environmental Science Exam Questions By Topic

Species Interactions in Ecosystems

Major Terrestrial Biomes

The Carbon Cycle

The Nitrogen Cycle

The Phosphorus Cycle

The Hydrologic Cycle

Primary Productivity in Ecosystems

Trophic Levels in Ecosystems

Energy Transfers in Ecosystems

Food Chains & Food Webs in Ecosystems

Biodiversity in Ecosystems

Ecosystem Services

Island Biogeography

Ecological Tolerance

Natural Disruptions to Ecosystems

Adaptations of Organisms

Ecological Succession

Generalist & Specialist Species

Life Cycles & Reproductive Strategies

Survivorship Curves

Carrying Capacity

Population Growth & Resource Availability

Age Structure Diagrams

Total Fertility Rate

Human Population Dynamics

Demographic Transition

Plate Tectonics

Characteristics of Soil

Soil Composition & Properties

Composition & Structure of Earth's Atmosphere

Atmospheric Circulation

Watersheds

Solar Radiation & Earth's Seasons

How Earth’s Geography Affects Weather & Climate

El Niño & La Niña

The Tragedy of the Commons

The Effect of Clearcutting on Forests

The Green Revolution

Environmental Impacts of Agricultural Practices

Irrigation Methods, Impacts of Irrigation

Pest Control Methods

Integrated Pest Management

Meat Production Methods, Overgrazing

Impacts of Overfishing

Mining of Ores, Mining of Coal

Impacts of Urbanization

Reducing Urban Runoff

Ecological Footprints

Sustainability

Introduction to Sustainable Agriculture

Introduction to Aquaculture

Introduction to Sustainable Forestry

Introduction to Energy, Renewable & Nonrenewable Energy Sources

Trends in Energy Consumption

Types of Fuels & Uses

Distribution of Natural Energy Resources

Generating energy from fossil fuels, Environmental Impacts of Fossil Fuels

Using Nuclear Energy for Power, Nuclear Energy & the Environment

Using Biomass for Energy

Use of Solar Energy for Power, Environmental Impacts of Solar Energy

Using Hydroelectric Power, Environmental Impacts of Hydroelectricity

Geothermal Energy

Using Hydrogen as Fuel, Environmental Impacts of Hydrogen Fuel Cells

Using the Wind as Energy, Environmental Impacts of Wind Energy

Conserving Energy

Sources & Effects of Air Pollution

Causes, Effects & Managing Photochemical Smog

Thermal Inversion & Pollution

Sources of Carbon Dioxide & Particulates

Types of Indoor Air Pollutants, Radon-222 Gas

Reducing Air Pollutants

Acid Deposition, Environmental Impacts of Acid Deposition

Causes and Effects of Noise Pollution

Types of Pollution Sources

Human Activities on Aquatic Ecosystems

Effects of Endocrine Disruptors

Human Activities on Wetlands & Mangroves

Eutrophication

Thermal Pollution

Persistent Organic Pollutants

Bioaccumulation & Biomagnification

Solid Waste Disposal, Issues of Solid Waste Disposal Methods

Waste Reduction Methods

Sewage Treatment

Lethal Dose 50%, Dose Response Curve

Pollution & Human Health

Pathogens & Infectious Diseases, Infectious Diseases

Stratospheric Ozone

Reducing Ozone Depletion

The Greenhouse Effect

Increase in Greenhouse Gases

Global Climate Change, Effects of Climate change, Climate Change in Polar Regions

Ocean Warming

Ocean Acidification

Invasive Species

Endangered Species

Impact of Human Activities on Biodiversity, Conserving Biodiversity