Evolution & Beaks of Finches

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What is evolution?

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Evolution is the process through which species change over time through variations and natural selection.

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What is natural selection?

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Natural selection is the mechanism by which individuals with advantageous traits are more likely to survive and reproduce.

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What is a common ancestor?

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A common ancestor is an ancestral species from which multiple species have evolved.

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What does 'fitness' mean in an evolutionary context?

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Fitness refers to an organism's ability to survive and reproduce in its specific environment.

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What is adaptation?

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Adaptation is a trait that enhances an organism's ability to survive and reproduce in its environment.

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How do pathogenic bacteria evolve?

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Pathogenic bacteria can evolve rapidly due to high reproduction rates and exposure to antibiotics.

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What is the significance of the Galapagos finches in evolution?

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Galapagos finches are a classic example of adaptive radiation, where species evolve different traits based on their environment.

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What role does variation play in evolution?

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Variation among individuals in a population is essential for natural selection to occur.

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What is the difference between evolution and adaptation?

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Evolution refers to changes in populations over time, while adaptation refers to specific traits that improve survival.

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Can organisms decide to evolve?

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No, organisms do not decide to evolve; they change due to natural selection.