Leaves Appear Red in the Fall When ____

question 59

Multiple Choice

Leaves appear red in the fall when ____.

• A) anthocyanin synthesis increases
• B) chlorophylls are disassembled and recycled to allow other pigments to become more visible
• C) other pigments, including the orange and yellow accessory pigments, are recycled
• D) synthesis of other pigments, including the orange and yellow accessory pigments, increases
• E) the red wavelength range of visible light increases due to changes in Earth's position relative to the sun

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Definitions:

B. F. Skinner

An American psychologist and behaviorist known for his work in developing the theory of operant conditioning, which uses consequences to modify the occurrence and form of behavior.

Evolution

The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Methodological Behaviorist

A perspective in psychology that focuses on observable behaviors and external environmental factors as the primary means of understanding and studying psychological phenomena.

Radical Behaviorist

A philosophical stance within the field of behaviorism that emphasizes the external behaviors of people and rejects internal processes such as thoughts and emotions as relevant for understanding behavior.