When a Plant Does Not Get Enough Water and Starts

question 66

Multiple Choice

When a plant does not get enough water and starts to wilt,it

• A)opens its stomata,stops transpiration,and generates oxygen but not carbon dioxide.
• B)opens its stomata,starts transpiration,and generates carbon dioxide but not oxygen.
• C)closes its stomata,stops transpiration,and no longer brings in carbon dioxide from the air.
• D)closes its stomata,starts transpiration,and no longer brings in oxygen from the air.

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Definitions:

Cohen's D

Estimate of the magnitude of the difference between the means of two groups measured in standard deviation units.

Cohen's D

An indicator of the magnitude of difference, displaying the standardized deviation between two averages.

Cohen's D

A measure of the size of an effect for a hypothesis test; it is the difference between two means divided by the standard deviation of the data.

Cohen's D

A statistic used to quantify the difference between two group means relative to the standard deviation of the sample.