BIO120H1 Lecture Notes - Lecture 2: Germ Plasm, Theodosius Dobzhansky, Special Creation
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BIO120H1 Full Course Notes
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Lecture 2 darwin"s big idea and how it changed biology. People dobzhansky, lamarck, weismann, darwin, wallace, lyell, malthus. Definition of theory: a body of information that are know to be true. Living things change gradually from one form into another over time. Challenges view of special creation (= direct creation of all things in effectively their present form) Theory of evolution involved two controversial ideas: Concept of a changing universe replaced view of a static world. A phenomenon with no purpose replaced view that the causes of all phenomena had to have a purpose. It just happens under the correct condition. Adaptation, biodiversity are not the purpose of evolution, they are the consequences. 2. (causal mechanism) - the inheritance of acquired characters: if an organism changes during lifetime in order to adapt to its environment, those changes are passed directly onto offsprings. Individuals get more complicated as life proceeds.
