You Have Drained a Pond on Your Property to Make

question 1

Multiple Choice

You have drained a pond on your property to make it deeper.In the process of using a machine to dig, you find that the mud is black and smells terrible.Your prediction is that ______ bacteria predominate in this area of the mud.

• A) denitrifying
• B) sulfur-reducing
• C) sulfur-oxidizing
• D) nitrifying
• E) nitrogen-fixing

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Definitions:

Reticular Activating System

A network in the brain responsible for regulating wakefulness and sleep-wake transitions.

Reticular Formation

The reticular formation is a complex network of nerve pathways within the brainstem that plays a key role in controlling arousal and consciousness.

Selective Attention

is the cognitive process of focusing on a particular object or task while ignoring irrelevant information or stimuli.

Alertness Changes

Variations in the state of being awake and responsive to stimuli.