You Have Been Using Massive Amounts of Weed Killer and Insecticide

question 28

Multiple Choice

You have been using massive amounts of weed killer and insecticide to kill weeds in your yard, as well as the grubs and aphids that are munching on your roses and your grass.What effect might this have from a microbiological standpoint?

• A)Loss of microbial diversity in the soil
• B)Reduction in microbial numbers in the soil
• C)Damage to the nitrogen fixing bacteria
• D)Damage to the mycorrhizae
• E)All of the above may be effects of this practice.

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Definitions:

Standard Deviations

A measure of the amount of variation or dispersion in a set of values, indicating how much the values deviate from the mean.

Null Hypothesis

A statement in statistics that suggests there is no effect or no difference, used as a starting point for hypothesis testing.

ANOVA F Test

A statistical test used to assess whether there are significant differences between the means of multiple groups, based on the F-distribution.

Herd Size

The total number of animals or individuals within a defined group or area.