PPT-Evolution and Change

Denudation Processes Means do whats on the slide Means read the slide While volcanic activity in TVC leads mainly to building up the mountains the weatheringerosiontransportdeposition system is trying to level them down. NAS/HHMI Summer Institute 2011. Presented by the ‘Model Organisms’:. Stephanie Gardner. . and Laurie . Iten. , . Purdue University. Elizabeth . Derryberry, David . Heins. , and . Donata. Henry, Tulane University. Chapter 10. Biological Evolution. Evolution the word, has several meanings. Evolution – gradual change to improve or become more complex - change. Evolution – random changes made by chance to get what we see today – goo to you (theory of evolution). A mechanism for change in populations.. Any change in the . inherited . traits within a population across generations. Individuals better adapted to their environment tend to survive and . produce more offspring. Last week we talked about. …. The universe had a beginning. God must be the creator of the universe. 3 views Christians can faithfully hold: Old-Earth Creationism, Young-Earth Creationism, Theistic Evolution. 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. Born in England in 1809. Enrolled in divinity school at Cambridge; graduated in 1831. In 1831, Darwin signed on the naturalist on the HMS Beagle & traveled around the world for the next 5 years. He gathered data during his travel; that data was used as the basis for his books and ideas on evolution. Lecture 1. 1. Chapter 9 Software evolution. Topics covered. Evolution processes. Change processes for software systems . Program evolution dynamics. Understanding software evolution. Software maintenance. 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. -- biological evolution: the process whereby earth’s life changes over time through changes in the genetic characteristics of populations . -- theory of evolution: all species descended from earlier, ancestral species . Early atmosphere, evidence, natural selection and disease agents influence natural selection. . Introduction . Evolution “ simple” definition: change over time. Evolution helps us to understand the history of life.. Early scientists proposed ideas about evolution. . Evolution is the biological change process by which descendants come to differ from their ancestors.. A species is a group of organisms that can reproduce and have fertile offspring.. 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. Origins of Life on Earth. 4.7-4.8 Billion Year History. Evidence from chemical analysis and measurements of radioactive elements in primitive rocks and fossils. . Life developed over two main phases:. . 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.