16470400
Description
Flashcards by Noah Maczuga, updated more than 1 year ago
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Created by Noah Maczuga
over 5 years ago
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| Question | Answer |
| Taxonomy | the science of classification |
| Morphology | the study of the internal and external appearance of an organism |
| classification | grouping organism into an organized scheme( arrangement) |
| Classification system | kingdom is the broadcast category and species is the mosy specfic category |
| classfication by letter | Kingdom= K Phylum= P Class= C Order=O Family= F Genus= G species= s |
| binomial nomenclature | naming system with a 2 part scientific name |
| Scientific name | 2 words(Genus species) name unique to a specific organism |
| Characteristics | physical traits of an organism |
| cladogram | a branching diagram that shows evolutionary relationship |
| derived character | unique charactristic that defines a group of organisms |
| Evolution | change over time |
| adaptation | inherited characteristic that increases an organisms fitness |
| artificial selection | selection by humans of desired traits |
| common descent | principle that all living things have a common ancestor |
| fitness | ability of an organism to survive and reproduce in its enviorment |
| natural selection | individuals that are better suited in a enviroment to survive and reproduce |
| speciation | formation of new species |
| struggle for existence | competition among memebers of a species for survivablity |
| variation | differances among species |
| embryology | shows similarities in very-early development |
| fossils | preserved forms of past organisms |
| transitional forms | shows the change over time in fossil form |
| geographical distributuion | orgins, spread and devolopment of a species |
| geology | indicates where and when the organisms existed |
| molecular biology | shows DNA/protein similarities among organisms |
| nuclear chemistry/radioactive daitng | estimates age of fossil organism by determining the age of the rock from its radioactivity |
| half-life | the amount of time it takes radioactivity to reduce/change by 1/2 |
| analgous stuctures | different structures on different organisms that preform the same |
| homologous structures | similar structure on different organisms that dont prefom the same |
| vestigial structure | part of an organism that serves no useful function or purpose |
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