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No, that would be more of a directional selection. Phenotypic change from a minor variant phenotype, black in this case, to the majority phenotype due to the environmental selection pressure of pollution on the moth phenotype.
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∙ 13y ago
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∙ 13y agoyes it is
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What insect was found to have industrial melanism?
the moth
What are the three patterns of of natural selection?
directional selection,stabilizing selection, anddisruptiveselection
Industrial melanism is an example of what selection?
directional selection: Change in environmental conditions causing one phenotype to replace another in the gene pool, change does not occur on individual basis (only on the entire species)
Which kind of selection eliminates extreme phenotypes?
disruptive selection
What do stabilizing selection and disruptive selection have in common apex?
They both decrease genetic variation
What is the type of natural selection that favors intermediate phenotypes?
When natural selection favors the intermediate version of a characteristic, it is referred to as stabilizing selection. It is the opposite of disruptive selection.
What insect was found to have industrial melanism?
the moth
What are the three patterns of of natural selection?
directional selection,stabilizing selection, anddisruptiveselection
When stabilizing selection acts to elimination extremes at both ends of a range of phenotypes the frequencies of the intermediate phenotypes increase?
That is the definition of stabilizing selection.
When individuals with an average form of a trait have the highest fitness?
Stabilizing selection
What is the darkening of populations over time in response to industrial pollution?
Industrial Melanism
What organisms affected by industrial melanism?
peppered moth
Industrial melanism is an example of what selection?
directional selection: Change in environmental conditions causing one phenotype to replace another in the gene pool, change does not occur on individual basis (only on the entire species)
Stabilizing selection results in more or less genetic diversity?
Stabilizing selection results in less genetic diversity in a population.
Which kind of selection eliminates extreme phenotypes?
disruptive selection
The curve on the left shows the height of a population of penguins. The curve on the right shows the population five years later. What has happened to this population?
Directional Selection - APEX
A population of mice lives near a stream The larger mice tend to live longer and over many generations the average mouse size gets larger What type of selection is this?
Directional selection
