A Water Vascular System May Be Advantageous in Echinoderms Because

question 44

Multiple Choice

A water vascular system may be advantageous in echinoderms because

• A) it increases reproductive output.
• B) it accomplishes the function of three separate systems (gas exchange, locomotion, and feeding).
• C) it allows an organism to rapidly move in the water.
• D) it increases the amount of time an echinoderm can spend on land.
• E) it serves as a filtering device for environmental toxins.

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Definitions:

Monetarists

Economists who believe that the money supply is the main determinant of economic growth and control over inflation.

Quantity Theory

A theory in economics that describes the relationship between the quantity of money in an economy and the level of prices of goods and services.

Quantity Theory

The theory suggesting that the amount of money in circulation in an economy directly affects price levels and inflation.

Doubled

A term indicating that a quantity, value, or size has increased by 100 percent, resulting in its multiplication by two.