Scientific Vocabulary Instruction

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Adaptation

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A change or the process of change by which an organism or species becomes better suited to its environment.

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Genetic variation

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Differences in DNA sequences among individuals within a population.

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Extinction

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The state or process of a species, family, or larger group becomes non-existent.

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Theory of evolution

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A scientific theory that explains how species evolve over time through natural selection.

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Fossil

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The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.

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Camouflage

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An adaptation that allows animals to blend in with certain aspects of their environment.

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Theory

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A supposition or a system of ideas intended to explain something, based on general principles independent of the thing to be explained.

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Diversity

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The state of being diverse; variety. In biology, it often refers to the variety of species within a habitat or a region.