ISB 2-15-2011 - Systemisists: Classify organisms Numerical...

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ISB (pgs. 126-140) 2-15-2011 17:43 What is Cladistics? The classification of living things in which organisms are defined and grouped by their  possession of similar characteristics. Character:  Special trait that differs between species Humans:  Walk Erect, Brain Size,  Major innovation in systematics (quiet revolution) What is the most important criteria used in Cladistics? Shared/derived characters
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Unformatted text preview: Systemisists: Classify organisms Numerical Taxonomy: trying to convert everything into numbers Why are the reptiles an artificial grouping? It excludes their descendants (birds, and mammals) What is Phylogeny? The pattern of descent (family tree of life) Chladigram: branching tree/diagram of living things that shows patterns of descent 17:43 17:43...
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ISB 2-15-2011 - Systemisists: Classify organisms Numerical...

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