Most Symbiotic Interactions Require a Long-Term Association Between the Two

question 114

Multiple Choice

Most symbiotic interactions require a long-term association between the two species. Which of the following is not a symbiotic association?

• A)photosynthetic algae living with a fungus as a lichen
• B)a lion that eats a small antelope in the open grasslands
• C)leafcutter ants that supply food to their fungal gardens
• D)ants that live on a host tree chew off the branches of neighboring trees that grow too close

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Definitions:

MU ᵦ/P ᵦ Ratio

Represents the marginal utility of good B (MUᵦ) divided by its price (Pᵦ), used in consumer theory to analyze optimal consumption points.

TP or MP Curves

Total Product (TP) and Marginal Product (MP) curves are graphical representations in economics that illustrate the total output produced and the additional output from employing one more unit of a resource, respectively.

MR Curve

The marginal revenue curve, which shows how a firm's revenue changes with each additional unit sold.