If It Turns Out That the Whale Lineage Diverged from the Lineage

question 29

Multiple Choice

If it turns out that the whale lineage diverged from the lineage leading to hippos after the divergence of the lineage leading to the pigs and other artiodactyls,and if the whales continue to be classified in the order Cetacea,then what becomes true of the taxon Cetartiodactyla?

• A)It should be considered as one monophyletic superorder.
• B)It should be considered a superorder that consists of two monophyletic orders.
• C)It should be established as a paraphyletic order.
• D)It should be thrown out or modified by taxonomists if classification is to reflect evolutionary history.

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Definitions:

Genus

A category of classification in biology that ranks above species and below family, grouping species that share common characteristics.

Canadian

Pertaining to Canada or its people, culture, and characteristics.

Pastime

An activity that one does regularly for enjoyment rather than work; a hobby or leisure activity.

Genus

A class or group of entities that share common characteristics, often used in biology to classify organisms but also applicable in logic and philosophy.