Chapter 16 Clip On Science And Falsifiability: Evolution As A Fact And A Theory What Does It Mean By Theory?

Chapter 16Clip on science and falsifiability: Evolution as a fact and a theory What does it mean by theory? A coherent set of testable hypotheses that attempt to explain facts about the natural world What does it mean by fact? Evolution is a theory, but it is also a fact Test a theory by attempting to falsify, if you cant falsify then theres more confidence that the theory is true If its not falsifiable it's not a scientific assertion Every scientific assertion should be testable Theories graduate to facthood after repeated testing fails to falsify them16.1 The Recognition of Change Evolution: the notion that species change over time (explains diversity on earth)16.1A The early view is that life is unchanging Aristotle made ladder-like classification of life after seeing similarities and dif in orgs Later named scale of nature each org on earth occupies specific step on ladder thatleads from non-living world at bottom and increasing level of complexity at top By 14th century Europeans merged aristotle's classification system w/ biblical account ofcreation to arrive at view of natural world in which: 1. organisms had been specially created by God2. species could never change or become extinct3. new species could never