One day a student asked his Biology teacher about natural selection and genes
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| Sir, can you explain natural selection to me? | |
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| Well, Natural selection is the selection pressue put on an organism. For example most animals have a predator, that is a selection pressure. Then there are mutations in the DNA of the organism that... | |
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| ...either helps it survive or not in a certain enviroment like Giraffes who have evolved through mutations in their DNA to be able to reach trees with longer necks. Ones with shorter necks are more... | |
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