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100

A place where an organism makes its home and meets its environmental needs

What is a habitat?

100

The total of all living and non-living things in nature that affect an individual's survival and development

What is environment?

100

The introduction of contaminants into the natural environment that cause harm

What is pollution?

100

A thick haze caused by the action of sunlight on air polluted by smoke and automobile exhaust fumes

What is smog?

100

Any form of precipitation with acidic components that falls from the sky

What is acid rain?

200

The mix of events that happen each day in the atmosphere

What is weather?

200

The long term weather pattern in a region

What is climate?

200

The protection of natural resources, the environment, or valuable substances from harm or waste

What is conservation?

200

Underground water systems that store and transport groundwater through layers of rock

What are aquifers?

200

The breakdown of organic matter or substances into smaller and simpler substances via a biologically catalyzed reduction in the presence of living microorganisms

What is biodegradation?

300

Unwanted or unusable materials; any substance discarded after primary use

What is waste?

300

A structure that is designed to regulate the temperature and humidity of the environment inside

What is a greenhouse?

300

The geographical process by which soil, rock, and dissolved materials are removed from one location on the Earth's surface and transported to another

What is erosion?

300
Any event, force, or condition that results in physical or emotional stress

What is a stressor?

300

The study of the harmful effects of chemicals, substances, or environmental agents on living systems

What is toxicology?

400

Involving, caused by, or relating to living things in the environment

What is biotic?

400

The process of collecting and processing materials that would otherwise be thrown away as trash and turning them into new products

What is recycling?

400

The variety of life found in a place on Earth or, often, the total variety of life on Earth

What is biodiversity?

400

Any agent that promotes the development of cancer by damaging DNA or disrupting cellular processes

What is a carcinogen?

400

A substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas

What is aerosols?

500

A geographic area where plants, animals, and other organisms, as well as weather work together to form a bubble of life

What is an ecosystem?

500

A mixture of gases that surrounds the Earth

What is the atmosphere?

500

A measurement/value that serves as a gauge or sign of something

What is an indicator?

500

How nitrogen and its forms are circulated and interconverted in nature by living organisms in 5 stages

What is the Nitrogen cycle?

500

Renewable organic material that comes from plants and animals

What is biomass?

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