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Organismal Biology Chapter 26 Flashcards

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1214863345phylogenetic treea branching diagram showing inferred evolutionary relationships among various species based on similarities and differences in characteristics
12148633461. morphological data: cell wall, early embryo stage 2. biochemical data: enzymes 3. molecular data: DNA sequencesTo construct a tree, you need what three things?
1214863347taxonrepresents each species which are put in a tree
1214863348sister taxaspecies that are most closely related to each other
1214863349branch pointwhere lineages diverge
1214863350polytomyan unresolved pattern of divergence
1214863351basal taxonthe lineage that branch off early, first of the tree out of the whole group
1214863352monophyletic groupconsists of ancestral species and all of its descendants
1214863353paraphyletic groupconsists of an ancestral species and some, not all, of its descendants
1214863354polyphyletic groupconsists of taxa with different ancestors
1214863355outgroupa species or group that is or are closely related to the ingroup
1214863356ingroupvarious species being studied
1214863357archaea, bacteria, eukaryaName the three domains
1214863358eubacteria, archaebacteria, fungi, plantae, animaliaName the six kingdoms
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