What Is One Factor That Appears to Drive the Coevolution

question 6

Multiple Choice

What is one factor that appears to drive the coevolution of insect-plant arms races?

• A) Flowering plants that require pollinators.
• B) Plant toxins that have high specificity.
• C) Quantitative compounds that plants produce, which have high specificity.
• D) Herbivores that respond to plant chemical defenses that reduce digestion.

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Definitions:

Observed Frequencies

The actual number of occurrences of each category in statistical data.

Expected Frequencies

The anticipated counts in each category of a contingency table under the assumption that the null hypothesis is true, calculated from the proportions in the total sample.

Chi-square Statistic

A statistical measure used to assess the differences between observed and expected frequencies in one or more categories.

Expected Frequencies

In statistics, these are the counts predicted by a hypothesis test for categories in a contingency table, based on the distribution assumptions of the test.