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Biological Beginnings


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BIOLOGICAL BEGINNINGS NATURAL SELECTION The evolutionary process that fa- vors individuals of a species that are best adapted to survive and re- produce. Arises from competition for limited resources. Collection of traits transmitted with along with survival trait are random. SOCIAL DARWINISM Belief in Darwin’s theory of evolution but carried to the extent that “fittest” implies superiority as defined socially or culturally. Certain people were not fit to reproduce. LAMARCKIAN THEORY Learning can be passed genetically to the next generation. EG – cannibal planaria. SOCIOBIOLOGY A contemporary evolutionary view that emphasizes the power of genes in determining behavior and ex- plains complex social interactions that natural selection cannot. It states that all behavior is moti- vated by the desire to contribute one's genetic heritage to the greatest number of descendants. Konrad Lorenz won the Nobel Prize for his research on imprinting in 1973. wrote “On Aggression” where he explores innate behaviors such as bird song and wolf howls. Claimed hand shake proved weapon hand was empty and smiles were the baring of teeth. RACE Originated as a biological concept. It refers to a system for classify- ing plants and animals into subcat- egories according to a specific physical and structural character- istics. More currently defined as groups that are socially con- structed on the basis of physical differences - a social con- struction, not a biological fact.
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