Sparrows with Average-Sized Wings Survive Severe Storms Better Than Those

question 77

Multiple Choice

Sparrows with average-sized wings survive severe storms better than those with longer or shorter wings, illustrating

• A)the bottleneck effect.
• B)stabilizing selection.
• C)frequency-dependent selection.
• D)neutral variation.
• E)disruptive selection.

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Definitions:

Directional Null Hypothesis

A specific type of null hypothesis that posits no predicted direction of the effect or association between variables.

Directional Alternative Hypothesis

A hypothesis that specifies the direction of the expected difference or relationship between variables (e.g., greater than, less than).

Non-directional Alternative Hypothesis

A hypothesis that specifies there is a statistical difference without stating the direction of the difference.

Non-directional Null Hypothesis

A type of null hypothesis that specifies there will be no change or difference without stating a direction of change.