BIOL 1010 Lecture 1: Introduction to Evolution lec 1
17 Nov 2015
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Evolution: change in biological entities over time, unifying concept in biology. Nothing in biology makes sense except in the light of evolution . Lecture 1: brief history of ideas leading up to darwin, darwinian evolution, tree of life, evolution by natural selection. The origin of species (1859: defining moment in history of biology and western thought, it was a huge deal for people of the time, he wasn"t the first to study this. Biology before evolution: species fixed (unchanging, perpetual, species were always there and would always be there . Lamarck"s ideas (1809: patttern, living world made up of many separate lineages with independent origins, each lineage progresses ( strives") towards greater complexity, process/ mechanism, use and disuse and inheritance of acquired characteristics (ex. Working out everyday leads to big muscles (use) but not working out everyday will not produce big muscles (disuse: note evolution in the individuals:
