Which of the Following Statements Is FALSE

question 49

Multiple Choice

Which of the following statements is FALSE?

• A) Ecologists use models to represent relationships between biogeochemical cycles and most ecosystems.
• B) The physical environment has virtually no reservoir for most elements.
• C) Inputs from the physical environment and recycling made possible by decomposers and detritivores maintain the nutrient reserves in an ecosystem.
• D) In most major ecosystems, the amount of nutrients that is cycled within the ecosystem is greater than the amount entering or leaving the ecosystem in a given year.
• E) Once elements are in the biological compartments of the biogeochemical cycles, they are unlikely to leave until the organism dies.

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Definitions:

Perfectly Elastic

describes a demand or supply scenario where quantity demanded or supplied changes infinitely in response to any change in price.

Efficient Level of Output

The quantity of production that maximizes the difference between total revenue and total cost, or equivalently, minimizes average total cost.

Perfect Competitor

An idealized market structure in which many firms sell identical products, entry and exit are easy, and all buyers and sellers are well-informed, leading to perfect competition.

Inelastic Demand Curve

A situation where the demand for a good or service does not significantly change with a change in its price.