Does Natural Selection lead to the Creation of New Species?
Answers:
Yes as described by Charles Darwin in his book The Origin of Species. Natural Selection is the method by which those with an adaptive advantage to their ecosystem survive to reproduce and have an evolutionary effect on the population of following generations.
Speciation occurs when a group become reproductively isolated from their parent species as has been shown to happen in Drosophila by genetic means.
No, just new subspecies eg black and white peppered moths.
It can if 2 of the same species are isolated and reproduce and adapt and evolove differently than the original species that isn't isolated in that area.
Natural selection is the mechanism for evolutionary change-species adapt and survive or go extinct. Natural selection leads to the creation of new sub-species and new species in the longer term although it also leads to extinctions and 99% of all species that have existed are extinct today as a direct result of natural selection.
natural selection is wrong
the path of earth and all its inhabitants is predetermined by our creator, the Flying Spahgetti Monster, you try and prove me wrong!
No.
Evolution leads to a new species. Natural selection means that the ones that are deemed redundant come to an end.
If the enviornment changes, and a certain species can not adapt, then it will die and become extinct. This proces is called Natural Selection, because it means that the ones that surive have been "selected" to remain.
natural selection does not lead to creation of new species but rather it works to improve on the breed capacity to sustain itself in its ecological niche.
the nature of animals is such that they tend towards being average in their species specialization. if climbing is the main life style, an better agile climber will be the natural choice for breeding with.
categories of life that remain static in their ways enter to a self destructive phase and become extinct.
necessity is the mother of all inventions
There is potential for natural selection to create new species. It begins with the creation of a subspecies. Take for example crows. You have the carrion crow which is all black and the hooded crow which is black and white. These two birds can interbreed and produce furtile young, their skeletal structure is the same, and their behaviour is the same. The only thing that is different is the colour and where they live. The hooded crows are limited to Scottish regions and Carrion crows are lower down. Somewhere there is a border where the two over lap. Suppose, for some obscure reason that Scotland became seperated from England by the sea, the hooded crows may then become isolated from carrion crows (assuming they chose not to fly across the water). Lets say that because of the split from England, there is some kind of habitat change that induces hooded crows to behave slightly different from carrion crows- may be all there normal food sources are unobtainable and suddenly they have to adapt to a new diet of fish (for example). One bird learns how to fish and teaches its offspring who teaches its offspring (and so on). Lets (for arguements sake say that 1 in every 100 crow babies is born with some form of abnormality, one might have a slightly more curved beak then normal, one might have a no tail feathers, one has no beak etc. These abnormailities are actually natures way of trying out new ideas. The bird with no tail feathers will die because it can't fly. If it is dead it won't pass on its genes. The bird with no beak can't feed so it dies. The bird with a slightly more curved beak survives, because the curved beak proves to be very beneficial to the bird. Perhaps a more curved beak helps it catch more fish. This bird finds a mate and breeds. Perhaps half of the offspring share the beak attribute and half have normal beaks. Over a period of time the number of birds with curved beaks becomes greater than the ones without. Eventually all these birds have curved beaks and hey presto you have a bird that not only behaves differently to the carrion crow, but also looks different. It would now probably be classed as a different species
yes, after enough mutations, you get a completely different species from what you started with. strange to think we are just the end result of a lot of mutations.
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