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concept 18
| Question | Answer |
|---|---|
| why do biologists assign each organism a universally accepted name | it helps other scientist have the same information |
| what criteria are used to classify on organism | 1shape 2size 3mode of locomotion 4cell wall 5reproduction 6compositon of cell 7production of ribosomes |
| what features of binomial nonmenclature make it useful for scientists of all nations | Latin words that describe the organism |
| sequence Linnaeus's seven taxonomic categories from smallest to largest | species genus family order class phylum kingdom |
| explain the goal of evolutionary classification | shows who comes from where like DNA or RNA |
| what is derived character | trait that arose in the most common ancestor |
| how is a cladogram used in classification | arranges organisms by their order |
| how do biologists use DNA and RNA to help classify organisms | by analyzing specific regions |
| what is phylogeny | evolution of a group of organisms |
| how is a molecular clock used to estimate the length of time that two related species have been evolving independently | asserts the rate of DNA |
| how do domains and kingdoms differ | domain tell if cell has nuclei or not and kingdom tells if its plant or animal |
| what characteristics are used to place an organism in the domain bacteria | no membrane bound to the nuclei |
| which domain consists of prokaryotes whose cell walls lack peptidoglycan | eubacteria |
| describe the four kingdoms that comprise the domain of eubacteria | animilia, protistia, plantae, and fungi |
| what characteristic differentiate the kingdom of animalia from plantae | animals have ability to move plants dont |