Ecology Basics
Biogeochemical Cycles
Population Ecology
Agriculture
Biodiversity and Forests
Water Resources
Oceans
Atmosphere and Air Pollution
Climate Change
Fossil Fuels and Energy
Renewables
Waste Management
Mining
Environmental Policy
Invertebrates

100

This level of organization consists of all members of one species living in the same area.

Population

100

This cycle involves evaporation, condensation, and precipitation.

Water Cycle

100

Growth that forms a J-shaped curve is called this.

Exponential growth

100

Growing one crop over a large area is called this.

Monoculture

100

The number of species present in an area is called this.

Species richness

100

Water found underground in porous rock is called this.

Groundwater

100

The amount of dissolved salts in ocean water is called this.

Salinity

100

The lowest layer of the atmosphere where weather occurs is called this.

Troposhere

100

Carbon dioxide and methane are examples of these gases.

Greenhouse gases

100

Coal, petroleum, and natural gas are examples of these resources.

Fossil Fuels

100

Energy directly obtained from sunlight is called this.

Solar energy

100

Converting food scraps and yard waste into nutrient-rich material is called this.

Composting

100

A rock containing valuable minerals is called this.

ore

100

Garrett Hardin's idea that shared resources are often overused is called this.

Tragedy of the Commons

100

Dumb Kings do what?

Play Chess on Fine Grain Sand

200

A group of interacting populations living together in an area is called this.

Community

200

Plants remove this gas from the atmosphere during photosynthesis.

Carbon Dioxide

200

Growth that levels off at carrying capacity forms this curve.

Logistic growth

200

Growing multiple crops together is called this.

Polyculture

200

Differences in DNA among individuals within a species are called this.

Genetic Diversity

200

Permeable underground layers that store groundwater are called these.

Aquifers

200

This process brings nutrient-rich deep water to the surface.

Upwelling

200

The ozone layer is located in this atmospheric layer.

Stratosphere

200

This greenhouse gas is produced in large amounts by fossil fuel combustion.

Carbon dioxide

200

Liquid fossil fuel refined into gasoline is called this.

Petroleum

200

Devices that convert sunlight directly into electricity are called these.

Photovoltaic cells

200

The best strategy for reducing waste is called this.

Source Reduction

200

Heating ore to extract metals is called this process.

smelting

200

When market prices fail to include environmental costs, this occurs.

Market failure

200

Insects, spiders, and crabs belong to this phylum.

Arthropods

300

This includes both the living and nonliving components of an area.

Ecosystem

300

Nitrogen-fixing bacteria convert atmospheric nitrogen into this usable form.

Ammonia/Ammonium

300

The average number of children born to a woman is called this.

Total Fertility Rate

300

The dramatic increase in crop yields during the mid-20th century is called this.

Green Revolution

300

Breaking large habitats into smaller isolated patches is called this.

Habitat Fragmentation

300

Land that drains into a common body of water is called this.

Watershed

300

Highly diverse marine ecosystems built by corals are called these.

Coral Reefs

300

Ozone protects life by absorbing this type of radiation.

Ultraviolet Radiation

300

This powerful greenhouse gas is released by cattle and landfills.

Methane

300

This fossil fuel burns the cleanest.

Natural Gas

300

Designing buildings to maximize heating and cooling from sunlight is called this.

Passive Solar Housing

300

These facilities are designed to safely bury waste and prevent contamination.

Sanitary landfills

300

Surface mining that removes shallow layers of soil in rows is called this.

Strip mining

300

Benefits provided by ecosystems, such as pollination and water purification, are called these.

Ecosystem Services

300

Cnidarians are characterized by having what cells?

Cnidacytes

400

The variety of life found in an area is known as this.

Biodiversity

400

This nutrient cycle does not have a significant atmospheric component.

Phosphorus Cycle

400

A country with low birth rates and low death rates is generally in this stage of demographic transition.

Stage 4

400

Soil accumulation of salts caused by irrigation is known as this.

Salinization

400

Areas of land connecting isolated habitats are called these.

Wildlife Corridors

400

Areas saturated with water that provide habitat and filter pollutants are called these.

Wetlands

400

Areas where freshwater meets saltwater are called these.

Estuaries

400

Warm air trapping cooler polluted air beneath it is called this.

Temperature Inversion

400

Earth's reflectivity is known as this.

Albedo

400

Energy Return on Investment is abbreviated as this.

EROI

400

Wind turbines convert this form of energy into electricity.

twisting/rotating kinetic energy

400

Burning garbage at high temperatures is called this.

Incineration

400

Mining that creates massive terraced holes in the ground is called this.

Open pit mining

400

Meeting present needs without compromising future generations is called this.

Sustainability

400

Echinoderms have what type of skin?

Spiny

500

This species has a disproportionately large effect on its ecosystem compared to its abundance.

Keystone Species

500

Excess nitrogen and phosphorus can cause this process in lakes.

Eutrophication

500

Replacement fertility is approximately this number of children per woman.

2.1


500

The removal of topsoil by wind or water is called this.

Soil erosion

500

Cutting all trees from an area at once is known as this.

Clear-cutting

500

Pollution coming from a single identifiable source is called this.

Point-Source

500

Coastal forests that protect shorelines and provide nursery habitat are called these.

Mangroves

500

A mixture of pollutants and sunlight produces this.

Smog

500

Melting glaciers contribute directly to this phenomenon.

Sea-level Rise

500

Extracting oil from bitumen deposits is associated with these.

Tar Sands

500

Heat from beneath Earth's surface is used in this renewable energy source.

Geothermal Energy

500

Obsolete computers and smartphones are examples of this type of waste.

E-waste

500

Sulfuric acid produced from exposed sulfide minerals causes this problem.

Acid-mine drainage

500

Environmental, social, and economic goals together make up this.

Triple bottom line

500

arthropods have jointed?

appendages. i.e crab legs

600

Competition between members of different species is called this.

Interspecific Competition

600

The conversion of nitrates back into atmospheric nitrogen gas is called this.

Denitrification


600

This model states that environmental impact depends on population, affluence, and technology.

IPAT model

600

Using predators or parasites to control pests is called this.

Biological Control

600

Removing only certain trees while leaving others behind is called this.

Selective Logging

600

Pollution coming from many diffuse sources is called this.

Non-point source

600

This enormous accumulation of floating plastic debris exists in the Pacific Ocean.

Great Pacific Garbage Patch

600

Sulfur dioxide and nitrogen oxides contribute to this environmental problem.

Acid rain

600

A process that amplifies climate change is called this.

Positive Feedback

600

This controversial pipeline was designed to transport oil from Canada to the United States.

Keystone XL pipeline

600

Electricity generated from moving water behind dams is called this.

Hydroelectirc power

600

Waste that is toxic, corrosive, reactive, or flammable is known as this.

Hazardous Waste

600

Restoring land after mining is called this.

Reclamation

600

Policies requiring utilities to purchase renewable electricity from citizens are called these.

Feed-in Tariffs

600

An organism that CANNOT fight a current is?

plankton

700

In this type of symbiosis, both organisms benefit.

Mutualism

700

Organisms that convert nitrogen gas into usable compounds perform this process.

Nitrogen Fixation

700

High infant mortality generally results in this effect on fertility rates.

Higher Fertility Rates

700

Crops whose DNA has been altered are known as these.

Genetically Modified Organisms

700

Planting trees to restore a forest is known as this.

Reforestation

700

Removing salt from seawater is known as this process.

Desalinization

700

Catching fish faster than they can reproduce is known as this.

Overfishing

700

Tiny airborne particles are known as these pollutants.

Particulates

700

Loss of Arctic ice decreases this property of Earth's surface.

Albedo

700

Using less energy to accomplish the same task is known as this.

Energy Efficiency

700

Energy obtained from plant material is called this.

Biomass energy

700

The EPA cleanup program established under CERCLA is called this.

Superfund

700

Waste material left behind after metals are extracted is called this.

Tailings

700

A system that limits emissions and allows trading of permits is called this.

Cap and Trade

700

Bivalves are a type of?

Mollusk

800

The gradual replacement of one community by another over time is called this.

Ecological Succession

800

These are locations where elements are stored within a cycle.

Reservoirs

800

Countries with broad-based population pyramids typically have this type of growth.

Rapid Population Growth

800

Farming without synthetic pesticides or fertilizers is called this.

Organic Agriculture

800

Forests that have never been significantly disturbed are called these.

Old-growth forest

800

Injecting water, sand, and chemicals underground to extract oil or natural gas is called this.

Hydraulic Fracking

800

The accidental capture of unwanted species is called this.

Bycatch

800

Coal combustion is a major source of this gas that contributes to acid deposition.

Sulfur dioxide

800

Efforts aimed at reducing greenhouse gas emissions are called this.

Environmental Mitigation

800

The theory that oil production eventually reaches a maximum is called this.

Peak oil

800

This type of fuel cell combines hydrogen and oxygen to generate electricity.

Hydrogen fuel cell

800

The movement of products from manufacture to disposal is known as this approach.

Cradle to Grave

800

Minerals whose extraction is linked to violence and human rights abuses are called these.

Conflict minerals

800

The study of how scarce resources are allocated is called this.

Economics

800

a parasite does what?

It will live/feed off the host. This will negatively affect the host.

900

The maximum population size an environment can support indefinitely is called this.

Carrying Capacity

900

Water flowing across land and carrying nutrients into streams is called this.

Runoff

900

Population growth slows when resources become limited due to this factor.

Carrying Capacity

900

Pollination by insects is considered this type of ecosystem service.

Supporting Ecosystem Service

900

A species facing a very high risk of extinction is considered this.

Endangered

900

Water that has been used and must be treated before release is called this.

Wastewater

900

Protected ocean areas established to preserve biodiversity are called these.

Marine Protected Areas

900

Automobile exhaust is a major source of these compounds that help form smog.

Nitrogen oxides

900

Building seawalls and relocating communities are examples of this strategy.

Adaptation

900

Environmental costs not reflected in market prices are called these.

Externalities

900

Energy produced by the rise and fall of ocean water is called this.

Tidal energy

900

Designing products so materials can continually be reused is called this approach.

Cradle to Cradle

900

This mining method injects liquids underground to dissolve minerals.

Solution mining

900

Using resources in a way that allows them to remain available for future generations is known as this.

Sustainable development

900

What kind of symmetry do humans have?

Bilateral. 

1000

A species that can tolerate a wide range of environmental conditions is called this type of species.

Generalist

1000

In freshwater ecosystems, this element is usually the limiting nutrient.

Phosphorus

1000

The shift from high birth and death rates to low birth and death rates is called this.

Demographic Transition

1000

Repeated use of pesticides can lead to this problem.

Pest Resistance

1000

Biodiversity includes species diversity, genetic diversity, and this third type.

Ecosystem Diversity

1000

When demand exceeds available freshwater supplies, this condition exists.

Water scarcity

1000

Increasing absorption of carbon dioxide by seawater causes this problem.

Ocean acidification

1000

These devices installed in automobiles help reduce air pollution.

Catalytic converters

1000

Long-term patterns of temperature and precipitation are known as this.

Climate

1000

Shale gas extraction commonly uses this method.

Fracking

1000

This experimental technology uses temperature differences in ocean water to generate electricity.

Ocean Thermal Energy Conversion (OTEC)

1000

Applying ecological principles to industrial production is called this.

Industrial Ecology

1000

Most minerals are classified as these resources.

Non-renewable resources

1000

The amount of land and water needed to support a person's lifestyle is called this.

Ecological Footprint

1000

Octopuses and squids belong to this class of mollusks.

Cephalopods.