Unicellular Algae That Secrete Two-Part Skeletons of Opal, a Form

question 14

Multiple Choice

Unicellular algae that secrete two-part skeletons of opal, a form of silicon dioxide, are called

• A) radiolarians.
• B) coccolithophores.
• C) foraminifera.
• D) diatoms.

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Definitions:

Trade Benefit

The advantages a country gains from engaging in international trade, such as access to a wider variety of goods and services, economies of scale, and increased market competition.

Produce Alfalfa

The process of cultivating and harvesting alfalfa, a perennial flowering plant used primarily as fodder for livestock.

Comparative Advantage

The capability of a nation or person to generate a specific product or service with a lesser opportunity cost compared to others.

Trade Benefit

The advantage gained by countries, companies, or individuals from engaging in international trade, including increased economic output, efficiency, and consumer choice.