If the Teacher Had Wanted to Demonstrate That Some Invertebrates

question 56

Multiple Choice

If the teacher had wanted to demonstrate that some invertebrates possess a closed circulatory system, the teacher should have removed and dissected a

• A) mollusc.
• B) sea star.
• C) shrimp.
• D) polychaete.
• E) parrotfish.

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Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from their mean.

Scores

Numerical data representing individual performance or achievement in a test, assessment, or experimental condition.

Average Deviation

The average difference between each data point in a set and the mean of that set.

Pearson Product-moment

A correlation coefficient that measures the linear correlation between two variables, indicating the strength and direction of a linear relationship.