In the Monkeyflowers Studied by Bradshaw and Schemske, Reproductive Isolation

question 3

Multiple Choice

In the monkeyflowers studied by Bradshaw and Schemske, reproductive isolation results from

• A) gametic incompatibility between pollen and ovule.
• B) sterility of hybrid offspring.
• C) color preferences of hummingbirds and bees.
• D) asynchrony in time in which plants reach reproductive maturity.

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Definitions:

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of data values from the mean.

Raw Scores

The initial, unadjusted scores obtained directly from the number of questions answered correctly on an assessment or test.

Test-retest Reliability

The consistency of a test's results when the same individuals take the same test again after a period of time, measuring its stability over time.

Z score

A numerical metric that represents how a specific value's deviation relates to the average of a dataset, quantified by the number of standard deviations away from that average.