Unit 5 Flashcardizz

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Diversity

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The variety of life in a particular habitat or ecosystem.

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Adaptation

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A physical or behavioral characteristic that helps an organism survive and reproduce in its environment.

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Extinction

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The event when a species no longer has any living individuals.

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Natural Selection

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The process by which individuals with favorable traits are more likely to survive and reproduce.

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Absolute Dating

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A process where scientists determine the age of fossils by looking at the half-life of chemicals in surrounding rocks.

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Evolution

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The change in the heritable characteristics of biological populations over successive generations.

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Fossil

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The preserved remains or traces of a once-living organism.

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Relative Dating

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A method of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock.

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Mutation

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A change in the DNA sequence of an organism's genome.

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Hibernation

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A state of inactivity and metabolic depression in animals during winter.