Biology Test
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| A. trueB. false/falseC. 2 populations are separated by geographic barriers such as rivers, mountains, or bodies of waterD. The formation of new speciesE. Genetic drift has less effect on large populationsF. 1Founders arrive 2Separation of populations 3Changes in the gene pool 4Reproductive isolation 5Ecological competition 6Continue evolutionG. because the mistakes in the replication of DNA or as a result of radiation or chemicals in the environmentH. The evolution of several hundred species of fruit flies found on dif. Hawaiian Islands that descended from the same mainland populationI. Members of 2 populations cannot interbreed and produce fertile offspringJ. Individuals at the upper and lower ends of the curve have higher fitness than individuals near the middleK. 1genetics 2molecular biology 3evolutionary theoryL. He did not know the source of the variation that was so central to his theory. He could not explain how inheritable traits were passed from one generation to the nextM. 1behavioral 2geographic 3temporalN. Allele frequencies in a population will remain constant unless one or more factors cause those frequencies to changeO. Populations become reproductively isolated from each otherP. falseQ. populationR. true/falseS. It would disappear from the gene pool completely or fewer copies of an allele would be passed down to future generationsT. The allele that produces this trait will not be under pressure from natural selection, and its frequency will remain unchanged |
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