PPT-The evolution of Earth's

radiogenic heat flow over time Davies J H amp Davies D R 2010 Earths surface heat flux Solid Earth 11 524 Figures 76 amp 77 Fowler from Stein and Stein 1992 1994 1996. CHAPTER 13. Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.. 13.1-13.2 . Earth’s history has been unveiled by . founding scientists . applying critical thinking. Key evidence for past life is preserved in . Lauryn. . Langlois. Ashley Mooney. Debora Tolliver. What is Creationism?. Creationism is a theory that states that matter, life, and the world were created by God (or some other supreme being in different religions) out of nothing. . What is Earth Science?. What are the Earth System’s four Spheres?. What are cycles and how do they work?. System. : A kind of model often used to describe the natural world.. Closed System. : ENERGY enters and may leave, but MATTER does not leave. 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). 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. Dr Shakeel Ahmad. Ahmadiyya . Muslim Association, UK Branch. Putting the debate into context. Creationism vs Evolution. Putting the debate into context. Creationism vs Evolution. Creation & 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. The molecules essential to life today did not exist at the time Earth was formed.. The molecules essential to life today could not have been carried to the primordial Earth by a comet or meteorite.. The molecules essential to life today could have formed under early Earth conditions.. History of Evolution. The evolution of life is linked to the physical and chemical evolution of the earth.. Life on earth evolved in two phases over the past 4.7 -4.8 billion years. Chemical evolution (1 billion years) of the organic molecules and systems of chemical reactions needed to form the first proto-cells.. Evolution. A Swedish botanist in the 1700’s who developed a classification system for the organisms known at this time . Carolus Linnaeus. A group of organisms so similar to one another that they can reproduce and have fertile offspring. What is evolution?. What is natural selection?. Origin and History of Life. Evolution. Abiogenesis. AKA: Spontaneous generation. the idea that life comes from nonliving things.. NO.. Biogenesis. The idea that life can only come from pre-existing life. 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. Michelle Kirchoff. Southwest Research Institute. Center for Lunar Origin and Evolution. Southwest Research Institute in Boulder. http://. www.boulder.swri.edu. /. Center for Lunar Origin and Evolution (CLOE). Dave Waltham. Outline. C. roll-Milankovitch. cycles. Application to . c. yclostratigraphy. Earth-Moon system evolution. The time-varying drag problem. Time-evolution of CM cycles and their (big) uncertainties.