Classification

Classification - CLASSIFICATION of MICROORGANISMS Chapter...

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CLASSIFICATION of MICROORGANISMS Chapter 10
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TAXONOMY Science of classifying living forms Goal – allow for a natural classification system to depict relationships Classification schemes – usually grouped by similar characteristics New techniques in molecular biology are changing the information in classification and evolution
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Classification Because of evolution and Darwin's common ancestor and natural selection theories, we know that: All organisms are made of cells surrounded by a plasma membrane All use energy All have DNA as genetic information
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WHY and WHEN Aristotle Animals and Plants 1859 – Darwin Theory of evolution Taxon (singular), taxa (plural) Phylogenetic – use common ancestor to show relatedness As microorganisms were being discovered problem as to where should they be classified
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WHERE TO PUT MICROORGANISMS? 1857: Carl von Nageli plant kingdom 1866: Ernst Haeckel new kingdom: PROTISTA Include organisms lacking a nucleus and
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Classification - CLASSIFICATION of MICROORGANISMS Chapter...

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