01:119:115 Lecture Notes - Lecture 2: Theodosius Dobzhansky, Emergence, Flashlight
6 Nov 2018
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Themes in biology: evolution, unifying idea of biology - all living organisms are modified descendants of common ancestors, nothing in biology makes sense except in the light of evolution t. dobzhansky, Methods of investigating biology: the scientific method, science from latin to know , method of inquiry - finding natural explanations for natural phenomena, limited to observable and measurable, systematic method of investigating natural world process - not haphazard. Language of science ex) a flashlight doesn"t work because the bulb is dead. Hypothesis: testable proposed explanation for something you are trying to figure out; educated guess. Theory: broad explanation with significant support, leads to new hypotheses and accurate predictions. ex) earth revolves around the sun. Law: statement of what happens under certain circumstance; descriptive rather than explanatory the (cid:3247)what(cid:3248) rather than the (cid:3247)why(cid:3248) ex) conservation of energy. Observation & question background generate hypothesis make prediction. Experiments/observations evaluate (if incorrect prediction, revise prediction or.
