| Term | Definition |
|---|
| Classify | helps study; classification system to name organisms and group them in a logical manner; universally accepted |
| taxonomy | classifying organisms |
| Greek, Latin | uinversally accepted name from _____ and _____ |
| biological significance | classified according to features |
| binomial nomenclature | each species is assigned a two-part scientific name; written in italitics; first word capitalicized, second lowercase |
| genus | closely related species |
| species | describes an important trait or where it lives |
| taxon | taxonomic cateogry (level) |
| Linnaeus | used visible similarities and differences; problem: similar organisms may not share a recent common ancestor |
| cladogram | grouping organism by evolutionary similarites |
| phylogeny | the study of evolutionary relationships among organsims |
| common ancestor | higher taxon, the further back in time the ______ ________ |
| cladistic analysis | identifies and considers only new characteristics that arise as lineages evolve |
| derived characters | characteristics that appear in recent parts of a lineage, but not in older members |
| DNA | similarites in ___ can be used to help determine classification and evolutionary relations (gel electrophoresis) |
| molecular clock | uses DNA comparisons to estimate the length of time that two species have been evolving independently |
| domains | larger taxon than kingdoms |
| Bacteria | corresponds to the Kingdom Eubacteria; uincellular prokaryotes; thick, rigid cell walls that conatin peptidoglycan |
| Archaea | corresponds to the Kingdom Archaebacteria; unicellular prokaryotes, live in extrem environments; cell walls lack peptidoglycan; cell mebranes; conatain unusual lipids not found in any other organism |
| Eukarya | composed of protists, fungi, plants & animals; eukaryotes; colonial [unicellular, live together] |
| peptidoglycan | carbonate in cell wall |
| family | group of genera that share many characteristics |
| order | broad taxonomic category composed of similar families |
| class | composed of similar orders |
| phylum | several class make up a ______ |
| kingdom | largest and most inclusive of Linnaeus's taxonomic categories |
Combine with other sets
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