Which One of the Following Best Illustrates an Ecological Landscape

question 33

Multiple Choice

Which one of the following best illustrates an ecological landscape?

• A)a pond and all of the living organisms within it
• B)the animals,plants,and bacteria living in the Mississippi River
• C)a large open prairie with bison grazing on grasses and insects visiting the flowers
• D)a river flowing past fields and forests in Yellowstone National Park

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Definitions:

Minimal Stimulus

The smallest level of stimulation that can be detected or that elicits a response from an organism.

Absolute Threshold

The minimum intensity of a stimulus that one can detect 50% of the time, delineating the boundary between detectable and undetectable sensations.

Difference Threshold

The minimal change in stimulation that an individual can detect 50% of the time, also known as the just noticeable difference (JND).

Subliminal Perception

The processing of information by sensory systems without a person's conscious awareness.