Evolution Vocab Review

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Gaps in the fossil record

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Missing Link: Refers to the missing pieces in the fossil record that can provide evidence of evolutionary transitions between species.

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British Naturalist who formulated the theory of evolution by natural selection

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Darwin: Charles Darwin is known for his theory of evolution, which explains how species change over time through natural selection.

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A trait that lets an organism survive or reproduce

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Adaptation: A characteristic that enhances an organism's ability to survive and reproduce in its environment.

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The theory that evolution occurs slowly but steadily.

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Gradualism: A model of evolution that suggests changes occur slowly and gradually over long periods.

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Any change in the DNA of an organism

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Mutation: A change in the genetic material of an organism, which can lead to new traits.

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The process by which species change over time

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Evolution: The gradual development of species through changes in traits over generations.

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The preserved remains or traces of organisms from the past

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Fossils: Remains or impressions of ancient organisms, often found in sedimentary rock.

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The variety of different traits within a species

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Variation: Differences in physical traits among individuals of the same species.

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The concept that species can remain stable for long periods, interrupted by brief periods of rapid change

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Punctuated Equilibria: A theory that proposes evolution occurs in rapid bursts followed by long periods of stability.

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The process by which humans breed plants and animals for specific traits

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Artificial Selection: The intentional breeding of organisms to produce desired traits.

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