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:

Sympathetic Nerve

The sympathetic nervous system is part of the autonomic nervous system that prepares the body for 'fight or flight' responses during perceived threats.

Carotid Baroreceptors

Sensors located in the carotid arteries that monitor blood pressure and relay information to the central nervous system to maintain stable blood pressure.

Glossopharyngeal Nerve

The glossopharyngeal nerve is the ninth cranial nerve, which has both sensory and motor functions, including taste sensation and stimulating muscle movement in swallowing.

Vagus Nerve

The tenth cranial nerve that is responsible for many functions including heart rate, digestion, and mood control.