The Mann-Whitney U Test Is Appropriate for Analyzing Data from a Design

question 15

Multiple Choice

The Mann-Whitney U test is appropriate for analyzing data from a design using levels of an independent variable.

• A)within-subjects; two
• B)within-subjects; three or more
• C)between-subjects; two
• D)between-subjects; three or more

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Definitions:

Secondary Productivity

The amount of biomass produced by heterotrophic organisms in an ecosystem, including consumption and decomposition.

Non-native Species

Species that have been introduced to an environment where they do not naturally occur.

Generalist Species

Species that have a broad range of tolerance and can thrive in a wide variety of environmental conditions and can utilize a variety of resources.

Keystone Species

A species that has a disproportionately large effect on its natural environment relative to its abundance, often influencing the structure and biodiversity of the ecosystem.