This is the complete section A of evolution flashcards
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each of the black spaces below before clicking
on it to display the answer.
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| Mechanism | How something works
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| Inherited characteristic | A characteristic that parents pass to their offspring through their DNA
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| Acquired characteristic | A characteristic that parents get during their lifetime which cannot be passed to their offspring through their DNA
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| Species | A group of organisms that can successfully reproduce with each other
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| Evolution | The slow inherited change of a species over many many generations
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| Natural selection | Darwin's explanation of how evolution happens based on four ideas: overproduction, variation, adaptation, and spread of successful variations
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| Variation | Differences in an inherited trait among members of a species
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| Adaptation | A variation that helps an organism to survive better than an organism without the variation
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| Gradualism | Explanation of how fast evolution happens and how new species evolve; gradualism says new species evolve slowly by gradual change
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| Punctuated equilibrium | Explanation of how fast evolution happens and how new species evolve; punctuated equilibrium says new species evolve "quickly" due to small genetic mutations and/or rapid environmental change, then stay the same for long periods of time
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