Photoperiodism Is the

question 131

Multiple Choice

Photoperiodism is the

• A) duration of flowering in a plant.
• B) amount of light needed by a plant to exhibit normal growth.
• C) biological response of a plant to a change in the length of daylight relative to darkness.
• D) light phase of photosynthesis during which photolysis of water occurs.
• E) time of the day when light shines.

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Definitions:

Commodities

Goods or services that are traded, bought, or sold.

Economy

A system of production, consumption, and distribution of goods and services within a society or geographical area.

Distribution

The process of making a product or service available for the consumer or business user that needs it, which can involve transportation, packaging, and delivery.

Production

The process of creating, developing, manufacturing, or bringing forth goods and services, typically involving both human labor and tools or machinery.