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The best they can, if they manage. Many of them don't.
That's part of the theory of evolution by natural selection (Darwinism) but not the main principle, and some other (obsolete) theories also included this belief. I don't know if there is a more specific answer, but if you can't find one, just go with natural selection.
As nature changes (think of weather, season, natural disaster and the way species eat each other) certain element of nature will go extinct causing the species that fail to reduce their dependency on that extinct element perish as well. Put it on a modern perspective... How bright and or a hard working students will get all the priviledges and leave the underachiever to find their own way also a kind of "natural selection". Students that fail to change their behaviour to work harder or smarter will have a more challenging life.
Let us use tallness in men and women as our example. In stabilizing selection a normal distribution of heights would be expected as the selective environment would not select against having all variants present in the population. In directional selection you would see men and women getting increasingly taller ( or, perhaps shorter ) as natural selection selected the variants that were more reproductively successful in the immediate environment. ( say women's mate choice went into overdrive for tall men ) Disruptive selection is the distribution of traits that are at either tail of the distribution. Both short and tall people are represented, but no intermediates. These two dichotomous traits are seen in nature when one species feeds on two different food sources in the same area. Rather like small and large beaked birds. How humans could go through disruptive selection I leave to your analysis.
the winner then becomes the party's candidate in the general selection
Yes, penguins, like all animals, have gone through natural selection. Scientific evidence supports this notion.
The best they can, if they manage. Many of them don't.
No, populations of organisms evolve, individuals are naturally selected.
it is unlocked through natural selection (play through the story line and bam htere you go )
mutation
Here is a quote: "The relationship between adaptation and natural selection does not go both ways. Whereas greater relative adaptation leads to natural selection, natural selection does not necessarily lead to greater adaptation." I do not recall who said it, but this is what the relationship between both is. Here is a quote: "The relationship between adaptation and natural selection does not go both ways. Whereas greater relative adaptation leads to natural selection, natural selection does not necessarily lead to greater adaptation." I do not recall who said it, but this is what the relationship between both is. Here is a quote: "The relationship between adaptation and natural selection does not go both ways. Whereas greater relative adaptation leads to natural selection, natural selection does not necessarily lead to greater adaptation." I do not recall who said it, but this is what the relationship between both is.
Notincluding human intervention. Natural selection.
Darwin
Homologous structures. ps go to who's the cutest.com and click on the pie button
Go extinct.
The pressure is reduced
Go to Petfinder.com. They have a large selection of adoptable bunnies that you can search through! :)