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Natural selection is when 'nature chooses' the organism with the favourable characteristics to survive. E.G. Giraffe's Long-necked giraffes are 'chosen by nature' because they have the favourable characteristic of being tall, which allows them to reach higher branches in higher trees. Whilst shorter-necked giraffes cant reach this food source and as the shorter trees run out of vegetation, the shorter-necked giraffes will end up dead.


Artificial selection is when 'man-chooses' the organism that he wants because of their favorable characteristics,
E.G Choosing the 'fat' cows to breed to produce more fat cows because they have more meat in them. This will in-turn affect the numbers of the 'skinner' cows with undesirable characteristics.
Artificial selection is where man selects organisms with useful characteristics to him whereas natural selection is the process whereby nature selects the fittest organisms.

A2. Some social insects such as ants employ aphids to grow fungi, it follows that the ants also have a part to play in Artificial Selection, in both the aphids and the fungi. So it is not just man.

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What is the difference between the processes of natural selection and artificial selection?

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Is artificial selection and natural selection the same at the molecular level?

Technically, yes, but only because they are using virtually the same processes, the only real difference between the two, is like the difference between choosing your own mate and having someone choose your mate for you.


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What is the difference between natural and artifical selection?

Natural selection - is allowing the species to breed at their own convenience - with whichever member of the opposite sex they choose. Artificial selection is human intervention in that natural process - allowing breeders to choose the best genes for the species.


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The difference between natural and artificial sources of light is that natural sources are produced by the sun while artificial light sources illuminate using energy from other sources and include incandescent bulbs.


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