Which One or More of the Following Statements Accurately Reflects

question 7

Multiple Choice

Which one or more of the following statements accurately reflects our understanding of platyhelminth phylogeny? Select all that apply.

• A) The taxonomic status of the entire phylum is in question.Molecular information is often interpreted to support the monophyly of the phylum as we know it,but morphological evidence for that conclusion is tentative at best.
• B)The class Trematoda is probably paraphyletic.
• C)Monogenea,Cestoidea,and Trematoda almost certainly comprise a monophyletic clade.
• D) Turbellaria will probably be abandoned as a valid class designation because molecular studies suggest that it is paraphyletic.

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Definitions:

Tariff

A Tariff is a tax imposed by a government on imported goods, often used to protect domestic industries from foreign competition.

Opportunity Cost

Giving up the chance to benefit from other opportunities by selecting a specific option.

Dalers

A currency that was used in the past in various countries and territories, including Denmark and the United States.

Comparative Advantage

The capability of a nation or business to manufacture a specific product or offer a service at a lesser opportunity cost compared to its rivals.