More Than ______ of the Oceans Today Contain at Least

question 64

Multiple Choice

More than ______ of the oceans today contain at least one invasive species.

• A) 20%
• B) 40%
• C) 50%
• D) 60%
• E) 80%

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Definitions:

Signal-detection Theory

A means to measure the ability to differentiate between information-bearing patterns and random patterns that distract from the information.

Fechner's Law

A principle describing the relationship between the intensity of a stimulus and the magnitude of the sensory experience, stating that the intensity must increase geometrically to produce a linear increase in perception.

Sensory Adaptation

The mechanism where sensory receptors reduce their responsiveness to stimuli that remain constant over time.

Weber's Law

A principle in psychology that states the smallest perceptible difference in a stimulus is proportional to the intensity of the original stimulus.