Convergent evolution, Populations of different species adapt to similar selection pressures and become more similar., Species concept, Definition used to try to define a population that can breed/are similar. Always flawed. , Adaptive radiation, Rapid divergence of a single species to new ecological niches (think Darwin!), Variation, Must already exist in a population for natural selection to be possible., Barrier, Something preventing two populations from interbreeding., Punctuated equilibrium, Sudden changes to the environment lead to sudden selection pressure and rapid changes in the gene pool., Gradualism, Gradual changes in the gene pool as a result of mild selection pressure over a long time., Transient , Industrial melanism is an example of what type of polymorphism?, Allopatric , Speciation occurring in two distinct geographical areas (due to isolation)..

Selection & Speciation

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