Bouchard and Brooks Studied the Effect of Insect Flight on Dispersal

question 4

Multiple Choice

Bouchard and Brooks studied the effect of insect flight on dispersal and speciation in rain forest insects. They sampled all of the insects in the study area and found that 60 insect species are flightless and 19 are able to fly. What can you conclude so far about this study?
(P. Bouchard and D. R. Brooks. 2004. Effect of vagility potential on dispersal and speciation in rainforest insects. Journal of Evolutionary Biology 17:994-1006.)

• A) Flightless insects have a greater dispersal potential from this study area.
• B) Flightless insects are more numerous in the study area.
• C) Flightless insects have a higher species richness in the study area.
• D) Flightless insects are better suited for the tropics.

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Definitions:

Indifference Curve

A graphical representation in economics indicating different combinations of two goods that provide the consumer with equal levels of satisfaction.

Rational Consumer

An individual who makes choices that result in the highest level of personal utility or satisfaction.

Indifference Curve

A graphical representation showing different combinations of goods or services among which a consumer is indifferent, meaning they have no preference for one combination over another.

Total Utility

The complete pleasure derived from the consumption of a specific quantity of products or services.