PPT-Health Systems Research: History and Evolution

Kara Hanson Department of Global Health and Development Improving health worldwide wwwlshtmacuk Outline 1 Origins and evolution of health systems research 2 What is HPSR methods and models. Scientific Theory. Social use of the word “theory”. Not the same as in science. Implies a hunch or a casual guess. Scientific Theory. 1. Highly probable explanation based on vast collections of scientific data. Bio . HL. Full Classification of Humans. Kingdom - . Animalia. Phylum - . Chordata. Class - Mammalia. Order - . Primata. Family - . Hominidae. Genus - Homo. Species - Homo sapiens. subspecies - H. s. sapiens. THE ORIGIN AND EVOLUTION OF MICROBIAL LIFE. HOW DID LIFE ORIGINATE?. SPONTANEOUS GENERATION. LIFE ARISING FROM NON-LIVING MATTER. LONG BELIEVED AS THE ACCEPTED EXPLANATION OF ORIGINATION OF LIFE. EXPERIMENTS EVENTUALLY SHOWED IT TO BE IMPOSSIBLE. Variation. Evolution. What is Evolution?. Evolution is the idea that many small-scale variations can produce large-scale directional variations which give . rise to offspring . which are of . a different kind than their ancestors. Chapters 34, 41, and 44. Go back! We f*#ked everything up. Humans and Apes. Homo sapiens . characteristics. Bipedal. Larger brains. Language. Symbolic thought. Artistic expression. Use complex tools. 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. 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. Geologic Time and Evolution Earth Has a History Geologic materials record enormous changes. Earth is a complex, evolving system. Physical and biological systems continuously interact. Earth constantly changes and has done so through time. 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. . Over the centuriesAristotleEuclidAlKhwarizmiRamon Llull CenturyC 1673 Physical Systems Hypothesis Gottfried Wilhelm LeibnizMechanical Calculating Machine Blaise Pascal Centurydesign for programmable Chapter 17: Processes of Evolution. Early Beliefs. 19. th. century: discovered species shared many traits, but lived in different parts of the world. Problematic – species only looked similar on the outside, but inside were very different . 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.