Ice Fish Would Have Which Kind of Circulatory Systems

question 63

Multiple Choice

Ice fish would have which kind of circulatory systems?

• A) closed with a two-chambered heart
• B) open
• C) closed with a single-chambered heart
• D) closed with a three-chambered heart
• E) closed with a four-chambered heart

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Definitions:

Disinflation

A slowdown in the rate of increase of the general price level of goods and services over time.

Structural Unemployment

A situation in which there is a mismatch between the skills of unemployed workers and the skills needed for available jobs.

Cyclical Unemployment

This type of unemployment fluctuates with the business cycle, increasing during economic downturns and decreasing during periods of economic growth.

Frictional Unemployment

Short-term unemployment that arises from the process of matching workers with jobs and occurs even in healthy economies.