Week Five

Week Five - ANTHRO 200 Week Five September 23, 2008...

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ANTHRO 200 Week Five September 23, 2008 Cladograms: taxonomy Phylogenies: “family trees” o Evolutionary relationships o As we go down the illustration we are going back in time The present is illustrated at the top This phylogeny indicates not only similarities on this branch, but also evolutionary relationships as well Point out times when our last common ancestor existed Branching points to other species Points in time when speciation occurred Lineages that were ancestral and divergence processes, so that you see different lineages arising Used to examine evolution, similarities, and speciation o Often the basis for identification and classification of organisms o Taxonomic groups are based on shared similarities on different levels o There will be special cases of unrelated organisms that share characteristics, which is a case of convergence in which those organisms were under the same environmental pressures and adapted accordingly o
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Week Five - ANTHRO 200 Week Five September 23, 2008...

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