BIO120H1 Lecture Notes - Macroevolution, African Great Lakes, Carl Linnaeus
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BIO120H1 Full Course Notes
Verified Note
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Document Summary
Macroevolution - not experimental field, try to reconstruct lineage. Darwin, 1837: the transmutation of species notebook i think above his first evolutionary tree. Name is a key to the literature on an organism; don"t have a name cannot get access to information. Taxon: a named taxonomic unit at any level. Taxonomy: the theory and practice of classification. Phonetics: classifying species based solely on overall resemblance. Cladistics: classifying species on the basis of their phylogenetic relationships, willi hennig (1913-1976), german, founder of cladistics; phulogeny is the best hypothesis about evolutionary tree. The only figure in the origin was a tree. Monopyletic group: a single ancestor gave rise to all species in that taxon and no pecies in any taxon. Non-monophyletic group: a taxon whose members are derived from two or more ancestral forms not common to all members. Homology: similarity of traits due to shared ancestry. Origin of a novel trait resulting in adaptive radiation.
