Changes in Within-Groups Variance Result in Changes in the _____

question 27

Multiple Choice

Changes in within-groups variance result in changes in the _____ of the F ratio.

• A) denominator
• B) numerator
• C) sign
• D) significance

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Definitions:

Preadaptations

Preadaptations are characteristics of organisms that, by chance, provide an advantage under future environmental conditions or shifts.

Preexisting Structures

Formations or constructs that were already in place before a specified event or development.

Variations

Differences or deviations in characteristics among individuals within a population or species.

Adaptive Radiation

The evolutionary process by which organisms diversify rapidly into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges, or opens new environmental niches.