Which Statement About Archaea Is True

question 245

Multiple Choice

Which statement about archaea is true?

• A) Most are extreme halophiles.
• B) Few live in moderate habitats such as soil.
• C) Most are thought to be thermophiles.
• D) Most are believed to exist in the ocean.
• E) At least half of the archaea found to date live in conditions of extremely low or extremely high temperatures.

---

Definitions:

Variable Costing Income (VCI)

An income calculation method that includes only variable production costs as product costs, excluding fixed overhead.

Full Costing Income (FCI)

A method of accounting in which all manufacturing costs, both fixed and variable, are assigned to produced units to calculate profitability.

Step-fixed Costs

Costs that remain constant for a certain level of production or activity, but can change to a different fixed amount when a certain threshold is crossed.

Variable Costs

Costs that vary directly with the level of production or output.