The group that receives treatment.

Repeating an experiment to verify results.

The act of noticing and describing events.

A conclusion drawn from observations.

Maintaining a stable internal environment.

The point at which a system changes.

A state of balance between continuing processes.

The ability to recover from disturbances.

The dependence of a system on its history.

The level at which something begins.

Organisms that produce their own food.

Consumer (Heterotroph)

Organisms that consume other organisms.

Carnivores that eat primary consumers.

Carnivores that eat secondary consumers.

The top predator in an ecosystem.

Organisms that break down dead material.

Organisms that feed on dead organic matter.

The total mass of organisms in a given area.

The position an organism occupies in a food chain.

The layer of gases surrounding Earth.

The rigid outer layer of the Earth.

The global sum of all ecosystems.

The frozen water part of the Earth.

The second layer of the atmosphere.

The lowest layer of the atmosphere.

The layer of the atmosphere above the stratosphere.

The layer of the atmosphere above the mesosphere.

The series of processes by which carbon compounds are interconverted.

The series of processes by which nitrogen and its compounds are interconverted.

The cycle of phosphorus in the environment.

Water Cycle (Hydrologic Cycle)

The continuous movement of water on, above, and below the surface of the Earth.

The cycle of oxygen in the environment.

The process of converting nitrogen gas into ammonia.

The process of converting nitrates into nitrogen gas.

The process by which a body of water becomes enriched in nutrients.

Water that flows over the ground surface.

The process of water movement through a plant.

Environmental Systems Vocabulary Flashcards

Student preview

80 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Nature of Science

Back

The study of the natural world.

2.

FLASHCARD QUESTION

Front

Hypothesis

Back

A testable prediction.

3.

FLASHCARD QUESTION

Front

Theory

Back

A well-substantiated explanation.

4.

FLASHCARD QUESTION

Front

Law

Back

A statement based on repeated experimental observations.

5.

FLASHCARD QUESTION

Front

Independent Variable

Back

The variable that is changed.

6.

FLASHCARD QUESTION

Front

Dependent Variable

Back

The variable that is measured.

7.

FLASHCARD QUESTION

Front

Control Group

Back

The group that does not receive treatment.

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