Lecture 6 Natural Selection Part I

Lecture 6 Natural Selection Part I - Environmental Change...

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Evolutionary Mechanisms (Microevolution) Natural Selection Mutation Genetic Drift Gene Flow Non-random Mating
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Natural Selection Outline Studying Evolution by Natural Selection (2) Quantification of Selection Natural Selection Types (3)
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Experiment 1 Studying Natural Selection by Observation
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Why is beak size changing in Galapagos Finches?
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In order for natural selection to be the mechanism behind evolution, the following must be true . . .
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Phenotypic variation among individuals
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Beak size inherited
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Unformatted text preview: Environmental Change and Population Crashes (84%) Differential reproduction Achieved Perfection? Variable Natural Selection Studying Natural Selection by Experimentation Skypilots and their pollinators Question: Do pollinators cause natural selection on flower characteristics? Hypothesis: Bumblebees have an effect on the natural selection of flower size Prediction: Bumblebees prefer larger flowers and therefore flower size will increase...
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Lecture 6 Natural Selection Part I - Environmental Change...

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