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Q: Which is not a way in which natural selection affects the distributions of phenotypes?
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How are phenotypes and genotypes related to natural selection?

Natural selection favours phenotypes that bestow a reproductive advantage, thereby increasing the frequency of alleles (genotype) producing those phenotypes.


When two extreme phenotypes are selected in natural selection the intermediate phenotypes become?

Highly reduced, or, nonexistent.


How can a wide range of phenotypes increase the chance that some individuals will survive in a changing environment?

by natural selection.


Why does natural selection work on organisms phenotypes rather than their genotypes?

This is backward, natural selection works on genotype not phenotype.


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.


Is it true or false that a natural selection acts on phenotypes not genotypes?

It doesn't. Phenotypes are viable or not in a given environment, and this influences whether the corresponding genotypes get passed on. Selection works on genotypes via the effects of their expression, their phenotype. The answer you may be looking for is that phenotypes maladapted to their environment have less babies, and pass on less copies of their genes. "Natural selection" is the whole process over generations. "Selection" may refer to misadapted bodies/phenotypes reproducing less due to illness, hunger, bad quality territories, dying earlier, etc.


How can natural selection favor different phenotypes at different times?

Natural selection is something that happens over time and is somewhat dependent on the conditions of climate and environmental changes. There are times when natural selection can favor different phenotypes, if and when the culture starts to seek out others with certain traits and characteristics to breed.


Does natural selection act on genotypes?

Indirectly, yes it does. But it can only act on genotypes through their phenotypes.


The process that discriminates between phenotypes with respect to their ability to produce offspring is known as?

Natural selection


What affects natural selection?

variation,overproduction, and competition


What factor besides alleles affect phenotypes?

Enviroment, development, and behavior are all factors besides alleles that can affect phenotypes.


Can individual organisms evolve new phenotypes in response to their environments according to natural selection?

yes it is highly possible