PPT-Evolution Chapters 22, 23, 24, 26

Chapter 22 Descent with Modification The Era of Evolutionary Biology On November 24 1859 Charles Darwin published his hypothesis in On the Origin of Species by Means of Natural Selection. in the Bible. Genesis 01. Exodus 20. Psalms 01. Psalms 23. Psalms 51. Psalms 119. Proverbs 31. Isaiah 40. Isaiah 53. Matthew 05. Matthew 06. Matthew 07. John 17. Acts 02. Romans 08. 1Corinthians 13. 1Corinthians 15. THEORY OF EVOLUTION. The theory of evolution is scientists explanation of how living things began. .. Also called organic evolution . LIVING ORGANISMS HAVE CHANGED GRADUALLY OVER TIME TO FORM NEW ORGANISMS THAT ARE MORE COMPLEX.. Evidence of Evolution. Essential Questions. What is the anatomical evidence of evolution?. How are fossils used as evidence of evolution?. What evolutionary evidence do we have from the field comparative embryology?. LAMARCK (1744 – 1829) . He proposed . 3 theories. to explain how species change…. Theory of Need. Theory of Use and Disuse. The Theory that Acquired Traits Can Be Passed on to Offspring.. August Weismann (1834-1914). What do we use in order to determine evolutionary relationships?. Fossil Record. Anatomical Evidence. Molecular Evidence. Embryological Evidence. Evidence for Evolution. Fossil Record. Evidence for Evolution. Mechanisms of concerted evolution. Unequal cross-over. Gene conversion: non-reciprocal transfer of information between homologous sequences; the main mechanism invoked to explain concerted evolution. Forbidden. (adj.) banned, not allowed. Harry and Ron frequented the “forbidden” section of the library.. Nondescript. (adj.) lacking distinctive characteristics or qualities. The classroom was very nondescript – it lacked posters, colors, and bulletin boards.. Ch. 21 . Genes within Populations. #. 2 5 . Mechanisms . of evolutionary change. 1. Natural . selection. traits that improve survival . or reproduction will accumulate . in the population. adaptive . of . the Red . Queen. CfE. . Advanced Higher Biology. Unit . 2: . Organisms and Evolution. SQA mandatory key information. A change in the traits of one species acts as a selection pressure on the other species. . Your filled in guided notes will be attached to your 15-28 Reading sheets. Focus. Just like the chapters that focused on animals, we need to continually work on drawing connections between these somewhat irrelevant stories and the journey of Pi. Evolution. – when a species of plants or animals adapts to their environment in order to survive over a long period of time. Key points!. Species. Plants or Animals. Adaptations. In order to survive. What is evolution?. Change in organisms over a long time.. What scientist proposed the theory of “Natural Selection?”. Charles Darwin. He sailed on the . H.M.S. Beagle . and discovered the Galapagos finches and examined how they evolved.. Evolution 9/11. Obj. TSW learn form mistakes made on the quiz, and take notes about evolution after the Environmental Science Current Events. P. 34NB. Make a food chain for the following organisms showing the energy arrows and the . . The process by which organism change over time. Based on science, not opinion.. Darwin. :. Evolution is descent with modification. Evolution. :. changes through time. Species accumulate difference.