Biology 3436F/G Lecture Notes - Lecture 9: Natural Selection 2, Freaked, Advantageous
10 Jan 2017
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Deduction: first come up with the hypothesis, then collect the data and do the test. Induction: look at the data after the fact, guess what the answer was: ex. May be wrong, but must be falsified. Ultimate hypotheses: why: fitness consequences, why does it do this, why is it one way and not the other. Proximate hypotheses: how: how do things happen. Testable: test statement follows the prediction. Adaptive: how well/functional some trait/phenotype behaviour is at increasing fitness for an individual. Can recognize something that is adapted by their fitness consequences. Maximized and optimized fitness: there are tradeoffs, cant always be maximized because there is an expense. Tradeoff of lifespan may be early vs late reproductive success. Reproducing now may inhibit reproducing later: the investment may be optimized so that lifetime reproductive success can be maximized. Natural selection maximizes fitness: multiple generations, phenotype, food availability, cannot get natural selection without adaptation.
