Transpiration Pulls Water Up a Plant Because of Two Mechanisms

question 61

Multiple Choice

Transpiration pulls water up a plant because of two mechanisms: ________ describes water molecules sticking together and ________ describes water molecules sticking to the walls of the xylem.

• A)cohesion; adhesion
• B)adhesion; cohesion
• C)adhesion; gravity
• D)gravity; cohesion

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Definitions:

Sample Mean

The average value calculated from a subset (sample) of a population.

ANOVA Table

A table used to summarize the results and findings of an Analysis of Variance, displaying sources of variance, degrees of freedom, and significance levels.

Mean Square

A statistical measure used in variance analysis, representing the average of squared differences from the mean.

F Statistic

A value used in statistical analysis to compare the variances of two samples and determine if they come from populations with equal variances.