In the Example of the Flicker Hybrid Zone, Why Does

question 3

Multiple Choice

In the example of the flicker hybrid zone, why does it appear that the flicker hybrids are in a stable hybrid zone?

• A) The two kinds of flickers are reproductively isolated from one another.
• B) The two kinds of flickers have evolved completely into one distinct group.
• C) The two kinds of flickers have shown some reinforcement and thus the hybrids are beginning to disappear.
• D) The two kinds of flickers have out-competed their parental populations and exist as an entirely new species.
• E) The two kinds of flickers do not show reinforcement, nor have fused into one distinct group and their hybrid zone has not expanded.

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Definitions:

Standard Error

A measure of the dispersion or variability of a sample statistic, such as the mean, from the population mean, often used to indicate precision.

Standard Error

The standard deviation of the sampling distribution of a statistic, most commonly the mean, reflecting the variability of an estimate from sample to sample.

Estimate

An approximate calculation or judgment of the value, number, quantity, or extent of something.

Coefficient of Determination

A statistical measure, often denoted as R², that represents the proportion of the variance in the dependent variable that is predictable from the independent variable(s).