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Short answer: it doesn't. Natural selection is an effect caused by the reproductive success or lack thereof of individual strains. Random variation will produce traits A and B. Organisms with trait A will be more reproductively successful than organisms with trait B. This results in trait A achieving dominance in the population, while trait B fades from the population. We then say that natural selection has occurred.

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10y ago
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9y ago

Because it depends on what is good for the enviroment

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7y ago

That is how organism adapts to changes in the environment in order for it to stay alive and continue its genes through its offspring.

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14y ago

Survival of the fittest

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Q: Why do scientists say that the environment selects the traits that allow an organism to survive and reproduce?
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What is being selected in natural selection?

The individual, or the genes of the individual. All organisms are variants in phenotype and behavior. So, natural selection is the immediate environment these organisms are in and those that survive and reproduce better in this environment leave more descendants which carry the genes that promoted that survival and reproduction advantage. Then those genes are more represented in the populations gene pool and this is evolution.


What process selects against populations that are not fit to survive in their environment?

No process. The selection process selects variant individuals against the immediate environment. You seem to be talking about group selection which is not established biological consensus. Individuals are selected while populations evolve. Natural selection is for individuals and you need to get this concept down correctly. PS: Where do you people get these ill posed questions? Teachers?


Does an animal's environment affect or does it not affect its adaptation?

This is the fundamental premise of the Theory of Evolution by Natural Selection; the environment has a fundamental impact on the adaptations and evolution of organisms. The environment "selects" for those specimens that survive to have more offspring. Those animals that cannot survive are selected against.


What influences natural selection?

Mostly natural selection depends on the environment


Why are vestigial structures not removed by natural selection?

Nature selects against only harmful traits

Related questions

Why do scientists say that the environment selects the traits that allow an organism the survive and reproduce?

That is how organism adapts to changes in the environment in order for it to stay alive and continue its genes through its offspring.


Why is it incorrect to say that an organism adapted to its environment?

Organisms don't adapt to their environments, rather, the environment selects for the better traits.


Why does the sexual reproduction produce more diversity of organisms than asexual reproduction produced?

This is because asexual reproduction selects genes thus reducing the alleles, the gene pool, if done over and over. Sexual reproduction selects genes randomly thus preserving the gene pool. Hope this helps! :)


why are structures not removed by natural selection?

Vestigial structures do not harm the organism. Nature selects against only harmful traits.


Is Sodium lactate agar selective?

yes, it selects for microbes that can grow in a sodium environment and ferment lactate


How does natural selection result in adaptation to the environment?

All organisms are variations and some of these variations confer survivability and reproductive success on the organism that processes the variant traits and the progeny of this organism and all against the immediate environment. Natural selection is just the immediate environment that selects these favored organisms over their conspecifics and then the progeny of these favored organisms leave greater allele frequencies of these favored traits in the populations gene pool and these trait grow to majority ststus as the adaption now seen in the population.


What is the relationship between Natural selection and Genetics?

Natural selection ' selects ' from among variations. Some organisms are better suited to their immediate environment and survive and out reproduce other organisms. All these organisms are genetically variant. That is the simple connection between natural selection and genetic variation. ( that variation coming about by mutation and recombination )


What is being selected in natural selection?

The individual, or the genes of the individual. All organisms are variants in phenotype and behavior. So, natural selection is the immediate environment these organisms are in and those that survive and reproduce better in this environment leave more descendants which carry the genes that promoted that survival and reproduction advantage. Then those genes are more represented in the populations gene pool and this is evolution.


When was Selects created?

Selects was created in 2002.


Is artificial slelction part of darwin's theory?

As an example of the selective mechanism, but artificial selection is directed by men and usually has a definite goal in mind. Natural selection is the selection of favorable variants, something like artificial selection, against the backdrop of the immediate environment. Artificial selection selects traits beneficial to the men doing the selection, while natural selections selects traits beneficial to the organism. Still, genes are changed over time in populations with both methods.


What process selects against populations that are not fit to survive in their environment?

No process. The selection process selects variant individuals against the immediate environment. You seem to be talking about group selection which is not established biological consensus. Individuals are selected while populations evolve. Natural selection is for individuals and you need to get this concept down correctly. PS: Where do you people get these ill posed questions? Teachers?


Does an animal's environment affect or does it not affect its adaptation?

This is the fundamental premise of the Theory of Evolution by Natural Selection; the environment has a fundamental impact on the adaptations and evolution of organisms. The environment "selects" for those specimens that survive to have more offspring. Those animals that cannot survive are selected against.