At Least Some Archaeans Are Called "Extremophiles" Because

question 78

Multiple Choice

At least some Archaeans are called "extremophiles" because

• A) as a group, they are extremely diverse.
• B) as a group, they occupy an extremely large number of environments.
• C) where they occur, they occur in extremely large numbers.
• D) they can live in environments where abiotic conditions are extreme--extremely hot, extremely salty, extremely toxic, for example.
• E) All of the above.

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Definitions:

Consumer Surplus

The gap between the price consumers are prepared to pay for a product or service and the actual amount they end up spending.

Reservation Price

The maximum price a consumer is willing to pay for a good or service, beyond which they will choose not to purchase it.

Cost Function

A mathematical formula or equation that describes how production costs change with alterations in the volume of output.

U-shaped Cost Curve

A graphical representation showing that as output increases, average costs initially decrease, reach a minimum, and then increase.