BIOL 112 1nd Edition Lecture 1 Outline of Last Lecture I No previous lecture Outline of Current Lecture II Darwin s observations a Adaptation b Many shared characteristics c Rich diversity III Views before Darwin Current Lecture Darwin observed o Adaptation o Many shared characteristics o Rich diversity Gets back to the idea that different organisms are extremely well adapted to their environment Darwin formed his hypothesis after noticing 3 things o Organisms are well adapted to their environments adaptation o All organisms have some features in common shared characteristics o Many diverse forms that is driven by the need to adapt to specific environments diversity Darwin s origin of species theory of evolution o Descent with modification o Evolution descent with modification Mechanisms natural selection survival of the fittest Fittest biological organism s ability to survive and reproduce pass on its genes to the next generation Individuals selected based on their adaptation With natural selection occurring at every generation evolution Useful reading concepts 1 2 and 1 3 Campbell Darwin was not the first to think of evolution but was the first to come up with the mechanism supported by evidence o Has stood up to 150 years of experimental testing These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute o Aristotle Scala Naturae organisms ordered in increasing complexity Organisms unchanging Views before Darwin o 1 Aristotle organisms are fixed no evolution Scala Naturae ordered in increasing complexity
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