A worksheet aimed at advanced level biology students, this resource uses mallards as an example of directional selection. Students are required to predict the effect of climate changes to the amount of subcutaneous fat in a population of mallards over time. The worksheet requires students to predict the effect on a normal distribution curve and then finally explain the process of directional selection using the key phrases provided.
Key words: directional, selection, mallard, normal distribution, reproductive success, differential, frequency, alleles, variation
Key words: directional, selection, mallard, normal distribution, reproductive success, differential, frequency, alleles, variation
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£3.00