Biodiversity
Agriculture
Air and Water Pollution
Hazardous Substances
Global Change
100

Genetic variation within a species

What is genetic diversity?

100

Process of soil formation from rock and organic material breakdown

What is weathering?

100

Pollution from a single identifiable source

What is point source pollution?

100

Likelihood of harm from exposure

What is risk?

100

Main greenhouse gas from fossil fuel combustion

What is carbon dioxide?
200

Number of different species in an ecosystem

What is species richness?

200

Best type of soil for farming

What is loam?

200

Pollution formed in the atmosphere through chemical reactions

What is secondary pollution?

200

Dose that kills 50% of a test population

What is LD50?

200

Powerful greenhouse gas from livestock and landfills

What is methane?

300

Area where two ecosystems meet and interact

What is an ecotone?

300

Top soil layer rich in organic matter

What is the A Horizon?

300

Excess nutrients causing algal blooms in water

What is eutrophication?

300

Waste that can easily catch fire

What is ignitable waste?

300

Protective atmospheric layer that absorbs UV radiation

What is ozone layer?

400

A species that has a large impact on ecosystem structure

What is a keystone species?

400

Farming method that uses multiple pest control strategies together

What is Integrated Pest Management?

400

Increase in toxin concentration up a food chain

What is biomagnification?

400

Waste that can explode

What is reactive waste?

400

Frozen soil that releases greenhouse gases when thawed

What is permafrost?

500

The acronym for the threats to biodiversity

What is HIPPCO?

500

Best type of irrigation for the environment

What is drip irrigation?

500

Wastewater treatment stage using ozone to kill bacteria

What is disinfectant?

500

Law that manages hazardous waste from “cradle to grave”

What is RCRA?

500

International treaty that phased out ozone-depleting substances like CFCs

What is the Montreal Protocol?