EVOLUTION

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What is evolution?

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Evolution is the change in the heritable characteristics of biological populations over successive generations.

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What does it mean if a species is extinct?

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A species is extinct when there are no living individuals left of that species.

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Who is Charles Darwin?

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Charles Darwin was a naturalist known for his contributions to the understanding of evolution, particularly through his study of finches in the Galápagos Islands.

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What is natural selection?

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Natural selection is the process where organisms with traits better suited to their environment tend to survive and reproduce more than those with less advantageous traits.

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Why do different species have different shaped beaks?

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Different shaped beaks allow species to access various types of food available in their environment.

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What is a fossil?

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A fossil is the preserved remains or impression of a once-living organism, often found in sedimentary rock.

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What is the significance of finches in Darwin's studies?

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Darwin studied finches to understand how species adapt to their environments, leading to his theory of natural selection.

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What is adaptation?

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Adaptation is a trait that helps an organism survive and reproduce in its environment.

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What is a common misconception about evolution?

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A common misconception is that evolution is a linear process; in reality, it is a branching process with many species evolving from common ancestors.

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What role do mutations play in evolution?

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Mutations introduce new genetic variations, which can lead to new traits that may be beneficial for survival.