Binomial Nomenclature and Taxonomy Overview

<p>A taxonomic unit at any level of hierarchy</p> Signup and view all the answers

<p>The evolutionary history of a species or group of related species</p> Signup and view all the answers

<p>Divergence of two species from a common ancestor</p> Signup and view all the answers

<p>A branch to represent the last common ancestor of ALL taxa in that tree</p> Signup and view all the answers

<p>A branch from which more than two groups emerge</p> Signup and view all the answers

<p>Monophyletic group</p> Signup and view all the answers

<p>The tree's structure remains unchanged</p> Signup and view all the answers

<p>Descendants with diverse evolutionary origins</p> Signup and view all the answers

<p>Timing of species evolution</p> Signup and view all the answers

<p>Patterens of descent</p> Signup and view all the answers

<p>They evolved from the taxon next to it</p> Signup and view all the answers

<p>Specific traits possessed by an organism</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>Predict features of an ancestor from features of its descendants</p> Signup and view all the answers

<p>Morphological, molecular, and fossil data</p> Signup and view all the answers

<p>Two kingdoms: plants and animals</p> Signup and view all the answers

<p>Monera (prokaryotes), Protista, Fungi, Plantae, and Animalia</p> Signup and view all the answers

<p>Protista</p> Signup and view all the answers

<p>Archaea</p> Signup and view all the answers

<p>Data from sequenced genomes</p> Signup and view all the answers

<p>Three-domain system</p> Signup and view all the answers

<p>Binomial nomenclature and hierarchical classification</p> Signup and view all the answers

<p>They represent increasingly inclusive categories</p> Signup and view all the answers

<p>Systematics classifies organisms and determines their evolutionary relationships based on phylogeny</p> Signup and view all the answers

<p>A hypothesis about evolutionary relationships</p> Signup and view all the answers

<p>They share an immediate common ancestor not shared by any other group</p> Signup and view all the answers

<p>To infer the evolutionary relationships among species</p> Signup and view all the answers

<p>A polytomy indicates a branch where more than two groups emerge, which makes the evolutionary history unclear.</p> Signup and view all the answers

<p>Parsimony refers to the principle of selecting the phylogenetic tree with the fewest number of evolutionary steps.</p> Signup and view all the answers

<p>Phylogenetic bracketing allows us to predict features of an ancestor from features of its descendants.</p> Signup and view all the answers

<p>Characters are specific traits possessed by an organism, which can have different stages or variations.</p> Signup and view all the answers

<p>A rooted tree includes a branch to represent the last common ancestor of all taxa in that tree.</p> Signup and view all the answers

<p>Eukaryotes and Archaea are more closely related to each other than to Bacteria.</p> Signup and view all the answers

<p>A monophyletic group consists of all the descendants of a single common ancestor, while a paraphyletic group consists of some, but not all descendants of a single common ancestor.</p> Signup and view all the answers

<p>Phylogenetic trees can show patterns of descent and relationships among taxa.</p> Signup and view all the answers

<p>Rotating taxa around nodes does not change the relationships depicted in the phylogenetic tree.</p> Signup and view all the answers

<p>The best hypotheses for phylogenetic trees fit the most data, including morphological, molecular, and fossil evidence.</p> Signup and view all the answers