PPT-Evidence of evolution Evolution

is the process of change over time Evidence of evolution Biogeography is the study of where organisms live now and where their ancestors lived in the past Patterns in the distribution of living and fossil species tell us how modern organisms evolved from their ancestors. Evidence for Evolution. What is Evolution??. Change in the genetic composition of a population during successive generations, as a result of natural selection acting on the genetic variation among individuals, and resulting in the development of new species.. There is overwhelming evidence for the evolution of life on Earth. . Evolution in summary. Evolution occurs when heritable characteristics of a species change. . Evolution at its most fundamental level simply describes a . 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). 30 Minute Inquiry Activity. Research one of the following types of Evolutionary Evidence:. Fossil . Record. Vestigial . Structures. Homologous . Structures. Comparative . DNA. Note . the following about your type of evidence:. Evidence. Evidence. . of . common ancestry . among species comes from many sources.. . 2. #1 Fossil Evidence. . Fossils. Earth is . Millions. of years old!. Fossils in . older layers . are . more primitive . By Dr. J. Suris Soto. Objectives . By the end of this lesson you should be able to . List several examples of evidence for evolution.. Explain how fossils, and the fossil record document the descend of modern species from ancient ancestors.. 2. Fossils provide evidence of organisms that lived in the past. 3. The wing of a bat has bones that are similar to those in the human arm. 4. DNA can tell us how closely related 2 organisms are.. 5. Whales are descended from land dwelling mammals. SBI3U1. Evidence. for . Evolution. The theory of evolution by natural selection was proven by the following methods: . Fossil . Record. Biogeography. Anatomy. Embryology. DNA. Fossils are found within the layers of sedimentary rock. . SIG, 22.05.12. A. Gaughan. Director, Payer and RWE Informatics | AstraZeneca. A Pharma Perspective. In the Beginning...... One data customer, with predictable habits. 2. . And now...... Multiple data customers, many different tastes..... Structures. - features similar in structure, but appear in different organisms with different functions.. Analogous structures-. structures similar in function, but are not similar in origin.. Vestigial . Science. Comparison with blood chemical (‘B’) between humans and other vertebrates.. humans. -. chimpanzee. 0. chicken. 11. Rhesus monkey. 1. frog. 17. mouse. 8. lamprey. 29. Challenge answer. What organisms are most closely related to us? . . 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. Topics covered here:. Evolution. Classification. Natural Selection is a major mechanism of evolution. According . to Darwin’s theory of natural selection, competition for . limited resources . results in differential survival. Individuals with more .