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science

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Question
Answer
A characteristic that helps an organism survive and reproduce in its environment.   show
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show Species  
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show Evolution  
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show Fossils  
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A historical sequence of life indicated by fossils found in layers if the Earth's crust.   show
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show Vestigial Structure  
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show Selective Breeding  
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show Trait  
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The process by which organisms with favorable traits survive and reproduce at a higher rate than organisms without favorable trait.   show
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Natural Selection 4 Steps   show
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Each species produce more offspring than will survive to maturity.   show
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Individuals in a population are slightly different from one another, each individual has trait that either increase or decrease their chances of survival.   show
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show Struggle To Survive  
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The key to natural selection, the individuals with better traits are more likely to survive and reproduce.   show
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A change in a gene.   show
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show Speciation  
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show Separation, Adaptation, Division  
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When portion of the population becomes isolated (ex.newly formed canyons, mountain ranges and lakes)   show
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Once separated the environment can change, the species begins to adapt to their environment.   show
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Over hundreds of years the species can become so different they can no longer interbreed, even if the barrier is removed   show
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Created by: epmilliron