Which Statement Exemplifies the Biological Pump Concept

question 36

Multiple Choice

Which statement exemplifies the biological pump concept?

• A) Autotrophs bring in light photons to synthesize ATP.
• B) Calcium ions are brought into cells while toxic physiological byproducts are released.
• C) Bacteria oxidize Fe2+ into Fe3+, and Archaea reduce Fe3+ back into Fe2+.
• D) Primary producers sink to the deep ocean, which provides deep ocean organisms with nutrients when the primary producers die.

Recognize the significance of competition and the invisible hand in the functioning of economies.

Grasp the concept of economic adjustments through taxes and regulation.

Understand the concepts of full employment and full production within an economy.

Recognize the impact and causes of employment discrimination.

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Definitions:

Business

An organization or entrepreneurial entity engaged in commercial, industrial, or professional activities with the aim of generating profits by providing goods or services.

Sweat Equity

The non-monetary investment, typically in the form of labor or services, that a person contributes to a project or business.

Restaurant

A place where prepared food and drinks are sold to the public for consumption on the premises or takeout.

Cousin

A relative with whom a person shares one or more common ancestors, but typically someone outside of a person's immediate family.