Fall Leaf Color on Deciduous Trees Is a Result of

question 36

Multiple Choice

Fall leaf color on deciduous trees is a result of

• A)the production of more accessory pigments because of the cooler temperatures.
• B)the reduction in the production of accessory pigments.
• C)cessation of chlorophyll production,which allows the accessory pigments to be revealed.
• D)the increased angle of the sun during the fall,which reflects more of the accessory pigments.

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Definitions:

Obtained Value

In statistics, the actual value measured or calculated during an experiment or study.

Null Hypothesis

A statement in hypothesis testing that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

T Test

A statistical method that evaluates whether there is a significant difference between the averages of two distinct groups.

Research Hypothesis

A statement predicting a significant relationship or effect between variables, often tested against the null hypothesis.