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LAB#6
| Question | Answer |
|---|---|
| Taxonomy | classification, a way of organizing living things into categorizes that are useful to us |
| Phylogeny | sets an explicit goal to understand relationships through time. shows the path that evolution actually took |
| systenatucs | biologists specify interested in how organisms are related and named |
| monophyletic group (taxon) | group of organisms, including the most recent common ancestor of the organism and all descendents |
| most recent common ancestor | closest organism from which all members of the group are directly descended |
| paraphyletic group | group of organisms including the most recent common ancesot where the group does NOT contain all the descendents of that ancesteral organisms |
| polyphyletic group | collections of organisms that do not include the most recent common ancesot of the group of organisms (worst type) |
| Taxonomy and Phylogeny should be completely seperate fields | comprised of botanists taxons eliminate usefulness of Lunnaean ranks overemphasizes divergence |
| Linnan rankings should be abondened | taxon names should be monophyletic crippiling perspective |
| Linnean ranks maintained, and groupings used reflect monophyletic | seperate but related fields monophlyetic taxa=evolutionary heritage with increasing focus on derived traits while moving down the ranks |
Created by:
kateylyn
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