Which of the Following Statements About Lichens Is INCORRECT

question 130

Multiple Choice

Which of the following statements about lichens is INCORRECT?

• A)Lichens are symbiotic relationships between a fungus and a plant.
• B)The partnership in a lichen is not species specific.
• C)Lichens can reproduce asexually.
• D)Lichens can extract nutrients from rocks or rainfall.
• E)Lichens are very sensitive to air pollution.

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Definitions:

Diminishing Returns

An economic principle stating that adding an additional factor of production results in smaller increases in output after a certain point.

Marginal Output

The additional quantity of output that is produced by using one more unit of a given input.

Negative Returns

Occurs when a company or investment loses more money than it earns or when costs exceed revenues.

MC Curve

The MC Curve, or Marginal Cost Curve, represents the change in total cost that arises when the quantity produced is incremented by one unit. It is crucial in determining the optimum production level.