BIOC51H3 Lecture 5: Lecture 5 - Evolutionary analysis excellent notes

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Macroevolution and microevolution: microevolution e. g. mosquito fish copulation behavior time scale- 2 populations diferent in traits. Gene frequencies and trait distribution in population: macroevolution pattern why species diverse - longer time scales than microevolution involves study of large-scale phenotypic pattern and phylogenic patterns e. g. vertebrates diversity in taxa over long periods. Method of analysis depends on time scale of interest. Process - scientific methods such as planned experiments, natural observations and observational studies. Scientific method: observation, hypothesis educated guess possible explanation, predictions if, then statement, test gather data. Experiment compare treatment groups dependent (y axis) and independent (x axis) variables. Observation: draw conclusions statistical test of data role of statistical test is to give confidence at point that you can believe your conclusion to be true null hypotheis not rejected. P value - likely that observed difference is due to chance. P<0. 05 = significant difference between 2 variables concluding that you reject null hypothesis (in your study) and.

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