The Following Questions Refer to the Hypothetical Patterns of Taxonomic

question 7

Multiple Choice

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


-Phylogenetic hypotheses (such as those represented by phylogenetic trees) are strongest when

• A)they are based on amino acid sequences from homologous proteins, as long as the genes that code for such proteins contain no introns.
• B)each clade is defined by a single derived character.
• C)they are supported by more than one kind of evidence, such as when fossil evidence corroborates molecular evidence.
• D)they are accepted by the foremost authorities in the field, especially if they have won Nobel Prizes.
• E)they are based on a single DNA sequence that seems to be a shared derived sequence.