Phylogeny and the Tree of Life Quiz

It represents the evolutionary relationships among a set of organisms or groups of organisms, called taxa.

Sister groups

The character states or traits of different organisms or taxa.

<p>They provide evidence of common ancestry and can be used to group organisms together.</p> Signup and view all the answers

<p>They are chosen based on being distantly related to the ingroup taxa of interest.</p> Signup and view all the answers

<p>It provides additional characters that can be used to infer evolutionary relationships.</p> Signup and view all the answers

<p>It favors the tree that requires the fewest evolutionary changes to explain the observed data.</p> Signup and view all the answers

<p>It provides a measure of statistical support or confidence for the branching patterns in a phylogenetic tree.</p> Signup and view all the answers

<p>They can lead to the appearance of shared characters that are not due to common ancestry, potentially misleading the analysis.</p> Signup and view all the answers

<p>It includes all descendants of a common ancestor and no other organisms outside that lineage.</p> Signup and view all the answers