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Practice Quizzing
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1

The competition between two lions for a piece of antelope meat is an example of .
2

According to the self-thinning rule, if you plot the average weight of individual plants in a stand against density, the slope of the line is ½.
A)TRUE
B)FALSE
3

Denno and Roderick demonstrated that Spartina plants that were heavily populated by planthoppers exhibited_________.
A)increased concentrations of xanthophylls and anthocyanin
B)increased concentrations of salt
C)symptoms of a bacterial disease
D)reduced concentrations of protein, chlorophyll, and moisture
4

In Hutchinson's description of the niche as an n-dimension hypervolume, n equals the number of environmental factors important to and .
5

Which of the following is NOT one of the criteria suggested by Taper and Case as a criterion for character displacement?
A)variation in character must have effect on use of resources
B)observed difference between sympatric and allopatric populations have a genetic basis
C)there must be no competition for resources
D)none of the above
6

The principle of superior competitive ability explains how introduced species are able to invade and out compete communities of indigenous species.
A)TRUE
B)FALSE
7

In experiments involving the native snail, Cerithdea, and the introduced snail, Batillaria, researchers found that was more efficient at converting food into it own biomass.





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