BIO120H1 Lecture Notes - Lecture 11: Cichlid, Binomial Nomenclature, Synapomorphy
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BIO120H1 Full Course Notes
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Name is a key to the literature on an organism, predicative power, classification interpretation of evolution. Taxonomic unit= kingdoms phyla classes orders families genera. The study of biodiversity and the evolutionary relationships among. Put all classifications into a tree organisms. Classifying species on the basis of their phylogenetic relationships. Hennig and his phylogenetic trees = hypo. of genetic history. Non-monophyletic group a taxon whose members are derived from two or more ancestral forms not common to all members. Ancestral trait = a trait shared with a common ancestor: derived trait = a trait that differs from the ancestral trait in a lineage. Homology = similarity of traits due to shared ancestry (fish and humans) Alien/adventive/exotic/introduced = introduced by accident or used to control. The successful establishment of a species in a region not previously. Do not always involve harmful species but most do occupied followed by rapid range expansion.
