Evolution

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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 does 'survival of the fittest' mean?

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It refers to the idea that organisms best adapted to their environment 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 early species from which different species have evolved.

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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 structural similarity?

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Structural similarity refers to the physical characteristics that are similar among different species, indicating a common evolutionary origin.

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What evidence supports the theory of evolution?

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Evidence includes fossil records, genetic similarities, and embryonic development patterns.

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What role do mutations play in evolution?

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

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How do environmental changes affect evolution?

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Environmental changes can create new challenges that drive natural selection, leading to adaptations in species.

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What is natural selection?

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Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

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What is the significance of embryonic development in evolution?

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Embryonic development shows similarities among different species, indicating they share a common ancestor.