Select the correct answer.
one of darwin's principles is that minor variations in all traits exist within species. why is this idea important to his theory of evolution?
a.
variation allows some individuals to survive better than others and so evolve over time.
b.
variation allows some individuals to interbreed with other species, and so evolve over time.
c.
variation allows some individuals to move to new environments and develop into new species
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Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Which is required for sexual fissiondiploid cell productionmeiosis

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return