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Practice Quizzing
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1

Which of the following is NOT a structural component of arbuscular mycorrhizal fungi?
A)hyphae
B)vesicles
C)ectomycorrhizae
D)arbuscules
2

Research on swollen thorn acacia indicates that the reason ants and pollinators do not conflict is because flowers occur on new growth while foliar nectaries and Beltian bodies used by ants occur on old growth.
A)TRUE
B)FALSE
3

Research on swollen thorn acacia indicate that protection and pollination mutualism do not conflict because inflorescences contain a .
4

In the mutualistic relationship between zooxanthellae and coral, the coral receive high amounts of from the zooxanthellae, while the zooxanthellae receive high levels of from coral metabolic waste.
5

A _______ is a range of values within which the true mean occurs with a particular probability.
A)standard error
B)confidence interval
C)fitness of nonmutualists
D)t value
6

The estimate of a true mean can be narrowed to a much smaller range by having a small sample size.
A)TRUE
B)FALSE
7

Keeler's model for mutualistic interactions assumes that for a population to be mutualistic, the fitness of the unsuccessful and nonmutualists must be greater than the fitness of the successful mutualists.
A)TRUE
B)FALSE





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