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Lecture 4 - life • Anoxic Total decrease in the level of...

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Lecture #4: Life, Evolution & Fossils Classification- The placing of organism into groups. Based on their similarities and differences. Prevents improper ID’s. Homologous traits- Shows similarities in mammals. Binominal nomenclature- Scientific name of a species is a combination of two names. Phylogeny- The evolutionary relationships. Studied through the fossil record of the evolution of life on planet Earth. Taxonomy- The study and classification of the relationships among different forms of
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Unformatted text preview: life. • Anoxic- Total decrease in the level of oxygen. • Principle of Fossil Succession- A stratigraphic sequence, different species of fossil organisms appear in a definite order; once a fossil species disappears in a sequence of strata, it never reappears higher in the sequence. • Adaptive radiation- The evolution of ecological and phenotypic diversity within a rapidly multiplying lineage. • Human taxonomy- Primate, hominid, Homo, Homo sapiens...
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