PPT-Human variation Human variation and evolution

Human variation defined Human variation refers to the fact that there are a range of possible values for each of the numerous physical characteristics of human beings People of the same species can have differing phenotypic traits that can be related to. Basic Forces (what is needed for an evolvable system). Evolution – Basic Forces. Self-replication - reproduction. Heritability - a system by which characteristics can be passed from one generation to the next (here on Earth, DNA is that system). . Keywords: . B1 Topic 1 Classification, Variation and Inheritance. This topic looks at:. General characteristics of animals and plants. Problems surrounding classification. Adaptations of organisms that can survive in extreme environments. 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. What is variation?. Define Variation…. What controls variation in a population?. Most characteristics are controlled by multiple genes. Any character that shows a gradation from one extreme found in the population to the other is called . The Smallest Unit of Evolution. A common misconception is that organisms evolve during their lifetimes. Natural selection acts on individuals, but only populations evolve. Consider, for example, a population of medium ground finches on Daphne Major Island. 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. Introduction – Human . Evolution. Mosaic Evolution: . ________________________. With respect to human evolution:. . _____________________. Developed at varying times along our evolutionary history . Part 1. Learning Objectives. 1. Describe how variation within groups is maintained and how variation among groups is maintained.. 2. . Describe modern human biological diversity and articulate an informed position on the question of biological races of humans. . Your Subtitle Goes Here. Introduction. Two objectives:. Major concepts related to human genetic variation.. Relationship between basic biomedical research and the improvement of personal and public health.. 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. . Mike Riddle. m.riddle@verizon.net. www.train2equip.com. www.icr.org. Topics. A history of apemen – the track record. Two case studies. Neandertals. Australopithecines and Lucy. How evolution hinders critical thinking. . Fossils provide a record of evolution. . Paleontology is the study of fossils or extinct organisms.. Paleontology provides evidence to support evolution.. Molecular and genetic evidence support fossil and anatomical evidence. .