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Industrial melanism is an example of what selection?
Industrial melanism is an example of natural selection, where a population's traits change over time due to selective pressures in their environment. In this case, darker-colored moths had a survival advantage in polluted industrial areas, leading to an increase in their frequency within the population.
What are the three patterns of of natural selection?
The three patterns of natural selection are directional selection, stabilizing selection, and disruptive selection. Directional selection favors individuals at one extreme of a trait distribution, stabilizing selection favors the intermediate phenotype, and disruptive selection favors individuals at both extremes of a trait distribution.
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 insect was found to have industrial melanism?
The peppered moth was found to have industrial melanism. This phenomenon occurred during the Industrial Revolution in England, where darker-colored moths were able to camouflage better against polluted, soot-covered tree trunks. As a result, the darker moths had a higher survival rate compared to lighter-colored moths.
Industrial melanism is an example of what selection?
Industrial melanism is an example of natural selection, where a population's traits change over time due to selective pressures in their environment. In this case, darker-colored moths had a survival advantage in polluted industrial areas, leading to an increase in their frequency within the population.
What is the darkening of populations over time in response to industrial pollution?
Industrial Melanism
What organisms affected by industrial melanism?
peppered moth
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.
When individuals with an average form of a trait have the highest fitness?
Stabilizing selection
What are the three patterns of of natural selection?
The three patterns of natural selection are directional selection, stabilizing selection, and disruptive selection. Directional selection favors individuals at one extreme of a trait distribution, stabilizing selection favors the intermediate phenotype, and disruptive selection favors individuals at both extremes of a trait distribution.
Which kind of selection eliminates extreme phenotypes?
disruptive selection
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
Which natural selection select against both extremes?
Stabilizing selection.
What is Industrial melanism?
Industrial melanism is a phenomenon where organisms in a population have darker pigmentation due to environmental changes caused by industrial pollution. This adaptation helps them blend into their surroundings better, reducing their risk of predation. One famous example is the peppered moth in Britain during the industrial revolution.
Type of selection that keeps the center of the curve at its current position?
stabilizing selection
Which type of natural selection favors average individual in a population?
It is stabilizing selection
