Which Example Describes Mechanical Reproductive Isolation

question 40

Multiple Choice

Which example describes mechanical reproductive isolation?

• A) Two squirrel populations live on either side of a mountain range.
• B) Two fly species have differently shaped genitals that prevent interspecies mating.
• C) Two similar species of sunflowers bloom at different times of the year.
• D) Individuals from two wildcat species produce infertile offspring when they mate.

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Definitions:

Standard Error

A statistical term that describes the standard deviation of the sampling distribution of a statistic, often used to measure the accuracy with which a sample represents a population.

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together.

Standard Deviation

A statistical measurement that shows how much variation or dispersion exists from the average (mean), indicating how spread out the values in a data set are.

Mean

The arithmetic average of a set of numbers, calculated by adding up all the values and then dividing by the count of numbers.