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10.9: Key Terms

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    Acheulean: Tool industry characterized by teardrop-shaped stone handaxes flaked on both sides.

    Developmental plasticity: The capability of an organism to modify its phenotype during development in response to environmental cues.

    Human behavioral ecology: The study of human behavior from an evolutionary and ecological perspective.

    Life history: The broad pattern of a species’ life cycle, including development, reproduction, and longevity.

    Mosaic evolution: Different characteristics evolve at different rates and appear at different stages.

    Occipital torus: A ridge on the occipital bone in the back of the skull.

    Oldowan: Earliest stone-tool industry consisting of simple flakes and choppers.

    Perikymata: Microscopic ridges on the surface of tooth enamel that serve as markers of tooth development.

    Pleistocene: Geological epoch dating from 2.6 million years ago to about 11,000 years ago.

    Pliocene: Geological epoch dating from 5.3 to 2.6 million years ago.

    Prognathism: Condition where the lower face and jaw protrude forward from a vertical plane.

    Sagittal keel: A thickened area along the top of the skull.

    This page titled 10.9: Key Terms is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Bonnie Yoshida-Levine (Society for Anthropology in Community Colleges) via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.