Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Ch 22 ppt
Document related concepts
Objections to evolution wikipedia , lookup
Koinophilia wikipedia , lookup
Creation–evolution controversy wikipedia , lookup
Genetics and the Origin of Species wikipedia , lookup
The Descent of Man, and Selection in Relation to Sex wikipedia , lookup
Sociocultural evolution wikipedia , lookup
Punctuated equilibrium wikipedia , lookup
Mormon views on evolution wikipedia , lookup
Introduction to evolution wikipedia , lookup
Creation and evolution in public education in the United States wikipedia , lookup
Hindu views on evolution wikipedia , lookup
Jewish views on evolution wikipedia , lookup
Unilineal evolution wikipedia , lookup
Transcript
Chapter 22 Descent with Modification: A Darwinian View of Life Question? How did the diversity of life originate? Evolution The processes that have transformed life on earth from its beginnings to today's diversity. Evolution is the most pervasive principle in biology. Theory vs theory Hypothesis Layperson’s supported repeatedly by data. Makes testable predictions definition. Confused with hypothesis in Science. Examples of Theory Cell Theory Big Bang Theory Atomic Theory Theory of Gravity Theory of Evolution Teaching Philosophy on Evolution Evolution Has itself "evolved" or changed over time. Illustrates “Science as a Process”. Students should be able to give the main points of several views. Pre-Darwinian Views Greek Philosophers 1 Result Fixed Species Concept Result Catastrophism Theory James Hutton Result Charles Lyell Uniformitarianism Result Jean Baptiste Lamarck Lamark Mechanisms Mechanisms Problem Lamarck’s Credits Charles Darwin Darwin's Background Voyage of the Beagle Result Galapagos Finches Alfred Wallace - 1858 Result - July 1, 1858 Darwin - 1859 Comment Darwinian View Example “The Origin of Species” The Facts: Inference 1 More Facts . Inference 2 Inference 3 Nature Natural Selection in action Artificial Selection Ex - Mustard Plant Original Cultivars Evolution Success Measured By Requirements Subtleties of Natural Selection Additional Signs Biogeography Convergent Evolution Evolution Viewpoint Fossils Evolution Viewpoint Comments Taxonomy Main Categories Problem - Why can life be grouped this way? Comparative Anatomy Problems Mammal forelimbs Analogous structures Comparative Anatomy Problems Whale Legs Human Example Evolution Viewpoint Comparative Embryology Evolution Viewpoint Molecular Biology Evolution Viewpoint Summary Darwin's ideas now a "Theory”. Predictions of a Theory are tested by experiments and observations. Be familiar with the pre-Darwin views of evolution. Summary Know Darwin’s “facts” and “inferences”. Be able to discuss the various evidences of Darwinian evolution.
