Arctic Tundra Is Perhaps Earth's Most Fragile Biome Because of

question 133

Multiple Choice

Arctic tundra is perhaps Earth's most fragile biome because of

• A)short growing season
• B)nutrient-poor soil
• C)slow recovery of plants after disturbance
• D)bitter cold
• E)all of these answers

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Definitions:

Causation

The action of causing something, referring to a relationship where one thing is understood to be the result of the activity of another.

Reliability And Validity

Terms used in research and evaluation to describe the consistency (reliability) and accuracy (validity) of a measure or test.

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, leading to a learned response.

Operant Conditioning

A learning process by which the strength of a behavior is modified by reinforcement or punishment.