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Has a rare DNA strand caused this?

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Why do they change color?

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Is it the food they eat that makes the moths a different color?

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Was it the environment that made the moths change colors?

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Why did they change colors?

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How did they change colors?

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Can there be both colors or only just black now?

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How long did this change take?

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Did they evolve over time?

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How long did it take them to change colors?

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What caused the peppered moths to change?

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Do the moths colors change depending on the trees?

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Are all traits that help organisms survive passed down to future generations?

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What causes some organisms to survive while others do not?

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Why do some species survive environmental changes while others go extinct?

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If two species share a common ancestor, how do they become so different from each other?

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How do scientists know which species are related to each other and share a common ancestor?

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Why were the animals on the Galápagos Islands different from the ones on the mainland?

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Can a species change so much over time that it becomes a completely new species?

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What’s the weirdest adaptation an animal has?

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Do animals choose to adapt, or does it just happen?

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Do all animals have to compete to survive?