A Survey of Morphological Diversity Among Three Weasel Species in Minnesota

question 43

Multiple Choice

A survey of morphological diversity among three weasel species in Minnesota showed some interesting patterns in skull size, with the length of skulls ranging from 25 mm to 55 mm and little to no overlap between species. The assumption in the study was that skull size is related to the size of prey a weasel can handle (primarily small rodents) . This appears to be a good example of________________.

• A) resilience
• B) trophic pyramids
• C) niche differentiation
• D) edge effects
• E) none of the above

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Definitions:

Marginal Cost

The supplementary cost resulting from manufacturing an extra unit of a good or service.

Typeset

The arrangement and composition of text in preparation for printing and publication.

Inverse Demand Function

A mathematical expression that describes the relationship between the price of a good and the quantity demanded, showing how price changes as a function of demand.

Unit Tax

A tax that is imposed on a per unit basis, meaning that a specific amount is taxed for each unit of a good or service sold.