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Why Do Scientists Classify Organisms?
Transcript of Why Do Scientists Classify Organisms?
Taxonomy The study of the way organisms are classified Taxonomy Levels Of Classification Domain Kingdom Phylum Class Order Family Genus Species What Are The Characteristics
Used To Classify Organisms Into Domains And Kingdoms? The characteristics used for classifying Domains are Archea, Eubacteria and Eukaryote.
Plants, Animals, Fungi, Protists, Eubacteria (Monera) and Archaebacteria are used for classifying Kingdoms.
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Yonina Izsak Domains The three domain system proposes that a commmon ancester cell gave rise to three different cell types, each representing a domain. Archaea
Contains no peptidoglycan
Membranes composed of branched hydro carbon chains attached to glycerol by linkages
Often lives in extreme environments.
Contains rRNA Bacteria
Membranes composed of unbranched fatty acid.
Contains rRNA Eukarya
Contains eukaryotic cells
Unbranched fatty acid chains
The cells that posess a wall contains peptidoglycan
Contains rRNA Kingdoms Plants
Over 250,000 species
Second lagest kingdom Animals
Over 1 million known species Archaeabacteria
Found in extreme environments such as boiling hot water, places with no oxygen and that are very acidic Eubacteria
Most bacteria is classified here
Is found everywhere Fungi
Include mushrooms, mold and mildew Protists
Include all microscopic organisms that are not bacterias, plants, animals or fungi