PPT-Chapter 13: The Theory of Evolution

Section 1 The Theory of Evolution by Natural Selection Darwin Proposed a Mechanism for Evolution In 1859 the English naturalist Charles Darwin published convincing evidence that species evolve and he proposed a reasonable mechanism explaining how evolution occurs. a science class?. Unit questions:. What is the difference between the scientific community's and the general public's use of the word "theory"?. What is the Theory of Evolution?. Are there "alternative" theories to evolution, what are they, and are they valid?. 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. . Sara Sawyer, Ross Conover, . and Mark James. 19 March 2013. Outline. Definition of Evolution. History of Evolutionary Thought. Evidence for Evolution. Evolutionary Misconceptions. Evolution and Religion. The theory of evolution is supported by evidence from . the fossil record. comparative anatomy. comparative embryology. biogeography. molecular biology. and observed evolutionary change. . Trends in hominid evolution from early ancestors to. Brain Warm Up. What different ways do these animals use to move about?. What traits does each animal have that help it move about as it does?. 15-1 The Puzzle of Life’s Diversity. Humans share the earth with millions of other kinds of organisms of every imaginable shape, size, and habitat.. Lecture 1. 1. Chapter 9 Software evolution. Topics covered. Evolution processes. Change processes for software systems . Program evolution dynamics. Understanding software evolution. Software maintenance. Chapter 8B. History of Evolutionary Theory. I. History of Evolutionary Theory. Definitions. 1. Evolution. Evolution. The gradual change that causes something to improve or become more complex. Ex.) The . Evidence from around the world, experimentation, geology, fossils, discussion with other scientists (Alfred Wallace) lead to:. Theory of evolution . (Biology only). Charles. Darwin ‘On the Origin of the Species’ (1859). Leonard Brand. Professor of Biology and Paleontology. Department of Earth and Biological Sciences. Loma Linda University. Goal of this talk:. Evaluate the current state of the evidence for the evolution of life forms by random mutation and natural selection. (Hons), Zoology. Panjab University, Chandigarh. ORIGIN OF UNIVERSE. BIG BANG THEORY. Thermonuclear explosion. Origin of universe occurred 20 . bya. .. ORIGIN OF EARTH. NEBULAR HYPOTHESIS. Condensation of gases under Gravitational force. 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? . Adaptation. Adaptations are inherited traits that increase a group’s chance of . survival & reproduction. This type of finch has a thick beak .  adaptation for cracking open seeds. Variation. and Variation . What is Evolution?. Simply… a change in living organisms over time. Why study evolution?. Evolutionary concepts provide a solid foundation to much of modern biology. - . you can’t fully understand current trends in biology or you will have difficulty understanding evolution. - I can demonstrate understanding of how the Theory of Evolution was formed. - . I can explain the terms adaptation, evolution and natural selection.. Who is this person?. Why are they on a £10 note?.