In Fish, Blood Flows in a Direction Opposite to the Flow

question 91

Multiple Choice

In fish, blood flows in a direction opposite to the flow of water over the gills in a process known as:

• A) concurrent exchange.
• B) countercurrent exchange.
• C) crosscurrent exchange.
• D) exhalation.
• E) diffusion.

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Definitions:

Correlation

A mathematical indicator showing how much two or more variables move in relation to each other.

Consistent Measurement

Involves the use of precise and stable methods or instruments to obtain reliable data across different instances or over time.

Reliability

Consistency, either within a scale or over time.

Self-Report Measure

Questionnaires asking people to report on their own personalities, usually through rating themselves on a list of adjectives or statements.