Refer to the Above Table

question 40

Multiple Choice

Refer to the above table. Which product is a normal good but least responsive to a change in income?

• A)Product W
• B)Product X
• C)Product Y
• D)Product Z

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Definitions:

Gross Primary Productivity

The total rate at which photosynthetic organisms in an ecosystem convert carbon dioxide into organic carbon compounds.

Net Primary Productivity

The rate at which plants and other photosynthetic organisms produce organic compounds in an ecosystem minus the rate at which they use some of these compounds through respiration.

Plant Respiration

The process by which plants take in oxygen and release carbon dioxide, involved in energy production at the cellular level.

Homoeothermic

Refers to organisms that maintain a constant internal body temperature regardless of external environmental conditions.