Evidence of Evolution

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What are Analogous Structures?

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Structures in different species that have similar functions but different evolutionary origins.

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What are Homologous Structures?

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Structures in different species that share a common ancestry but may have different functions.

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What is Embryology?

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The study of the early stages of development in organisms, providing evidence for evolution.

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What are Vestigial Organs?

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Body parts that have lost their original function through evolution.

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What does it mean if two organisms have very similar DNA sequences?

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It indicates that the organisms are closely related and share a common ancestor.

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What is Natural Selection?

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The process by which organisms better adapted to their environment tend to survive and produce more offspring.

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What is Extinction?

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The end of an organism or a group of organisms, often due to inability to adapt to environmental changes.

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What is the significance of Fossils in evolution?

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Fossils provide evidence of past life forms and show how species have changed over time.

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What is the role of Genetic Variation in evolution?

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Genetic variation is essential for natural selection, as it provides the raw material for evolution.

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What is the concept of Common Descent?

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The idea that all living organisms share a common ancestor.