The following questions refer to the hypothetical patterns of taxonomic hierarchy shown in Figure 26.2.

-If the eukaryotic condition arose, independently, several different times during evolutionary history, and if ancestors of these different lineages are extant and are classified in the domain Eukarya, then the domain Eukarya would be
A)paraphyletic.
B)polyphyletic.
C)monophyletic.

Question

The following questions refer to the hypothetical patterns of taxonomic hierarchy shown in Figure 26.2.

-If the eukaryotic condition arose, independently, several different times during evolutionary history, and if ancestors of these different lineages are extant and are classified in the domain Eukarya, then the domain Eukarya would be
A)paraphyletic. 
B)polyphyletic. 
C)monophyletic.

Quizplus · Accepted Answer

If the eukaryotic condition arose independently in several lineages, then those lineages would not share a common ancestor and thus would be polyphyletic. If they are all classified in the domain Eukarya, then this domain would be polyphyletic as well.

The Following Questions Refer to the Hypothetical Patterns of Taxonomic