Because Archaea Were First Found in Environments That Lacked Oxygen

question 37

True/False

Because archaea were first found in environments that lacked oxygen or were very hot,acidic,or salty,they were nicknamed "extremophiles."

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Definitions:

American Farmers

Individuals in the United States engaged in agriculture, playing a critical role in the economy and food production.

Gate-Control Theory

The theory that the spinal cord contains a neurological “gate” that blocks pain signals or allows them to pass on to the brain. The “gate” is opened by the activity of pain signals traveling up small nerve fibers and is closed by activity in larger fibers or by information coming from the brain.

Endorphins

“Morphine within”—natural, opiate-like neurotransmitters linked to pain control and to pleasure.

Adrenaline

A hormone and neurotransmitter that increases heart rate, muscle strength, blood pressure, and sugar metabolism, often associated with the body's "fight or flight" response.