The Tragedy of the Commons Results When a Good Is

question 167

Multiple Choice

The Tragedy of the Commons results when a good is

• A)rival in consumption and not excludable.
• B)excludable and not rival in consumption.
• C)both rival in consumption and excludable.
• D)neither rival in consumption nor excludable.

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Definitions:

Photorespiration

A process in plant metabolism where the enzyme RuBisCO oxygenates RuBP, wasting energy and reducing photosynthetic efficiency under certain conditions.

C3

A pathway in photosynthesis where the fixation of carbon dioxide produces a three-carbon compound as the first stable product.

C4

A photosynthetic pathway that efficiently fixes carbon dioxide in plants exposed to high light intensity and temperature, found in many grasses and crops.

CAM

Crassulacean Acid Metabolism, a photosynthetic adaptation in some plants allowing them to conserve water by fixing CO2 at night.