Instead of Surveying the Entire Population, Survey Polls Ask a Randomly

question 119

Multiple Choice

Instead of surveying the entire population, survey polls ask a randomly selected subset of the population known as a

• A)representative group.
• B)deliberative faction.
• C)target population.
• D)focus group.
• E)sample.

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Definitions:

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.

DDT

Dichloro-Diphenyl-Trichloroethane, a synthetic organic compound once widely used as an insecticide, now known to be an environmental pollutant.