Evolution Evidence

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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 a common ancestor?

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A common ancestor is an early species from which two or more different species have evolved.

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What are homologous structures?

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Homologous structures are anatomical features in different species that share a common ancestry, even if they have different functions.

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What are analogous structures?

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Analogous structures are features in different species that serve similar functions but do not share a common ancestry.

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What are vestigial structures?

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Vestigial structures are body parts that have lost their original function through evolution, such as the human appendix.

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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 embryology?

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Embryology is the study of embryos and their development, which can provide evidence for evolutionary relationships.

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What is the fossil record?

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The fossil record is the collection of all known fossils, which provides evidence of past life and evolutionary changes.

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What is natural selection?

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Natural selection is 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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Extinction is the end of an organism or a group of organisms, often due to environmental changes or loss of habitat.