Which One of the Following Taxa Is Not Part of the Grouping

question 2

Multiple Choice

Which one of the following taxa is not part of the grouping of clades called the Spiralia?

• A)Nematoda
• B)Rotifera
• C)Bryozoa
• D)Annelida
• E)Mollusca

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Definitions:

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Herfindahl Index

A measure of market concentration and competition, calculated as the sum of the squares of the market shares of all firms within an industry.

Clayton Act

A U.S. antitrust law enacted in 1914 aimed at promoting fair competition and preventing monopolies.

Herfindahl Index

A measure of the size of firms in relation to the industry and an indicator of the amount of competition among them.