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Why study evolution?
Evolution is the basic context of all of the biological sciences
how extant (existing today) organisms got to be the way they are
essential framework for organizing facts and making predictions
Evolutionary explanations answer key questions in the biological sciences
Answers questions of why
Allows scientists to interpret data
Intraspecific variation: variation among individuals of the same species
Interspecific variation: variation among species
(question on this)
Evolutionary explanations have practical application in modern life
Eg. microbial resistance to antibiotics
Evolutionary theory cross-cuts many disciplines
Development of new methods and concepts
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