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  1. Bipedalism - Wikipedia

    Bipedalism is a form of terrestrial locomotion where an animal moves by means of its two rear (or lower) limbs or legs. An animal or machine that usually moves in a bipedal manner is known …

  2. BIPEDAL | English meaning - Cambridge Dictionary

    Only a bipedal posture frees both hands, allowing them to assume differential functions and thereby strengthen a lateral bias.

  3. Human evolution - Bipedalism, Adaptations, Fossils | Britannica

    2 days ago · There are many theories that attempt to explain why humans are bipedal, but none is wholly satisfactory. Increased speed can be ruled out immediately because humans are not …

  4. Earliest Human Ancestor May Have Walked on Two Legs

    Jan 2, 2026 · Aside from our big brains, the trait that most distinguishes humans from other animals is our ability to walk fully upright on two legs, a style of movement without parallel in …

  5. What Is a Biped? Definition, Types, and Examples

    Aug 13, 2025 · Bipedalism is terrestrial movement where an animal uses only its two rear limbs for locomotion. The term “biped” derives from Latin, meaning “two feet.” This movement …

  6. bipedal - Wiktionary, the free dictionary

    Oct 2, 2025 · “ bipedal ”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – …

  7. A new analysis reveals clues about when primates started walking …

    Jan 2, 2026 · A big difference between humans and other apes is the ability to stride easily on two feet. A new analysis of fossil bones shows that adaptations for bipedal walking go back 7 …

  8. New Evidence of Bipedialism in Fossil Discovery New Evidence of ...

    Jan 2, 2026 · In recent decades, scientists have debated whether a seven-million-year-old fossil was bipedal—a trait that would make it the oldest human ancestor. A new analysis by a …

  9. Definition of "bipedal" - Words Defined

    "Bipedal" is an adjective that describes organisms that move primarily on two feet. Bipedal locomotion includes walking, running, hopping, and other forms of movement that utilize both …

  10. Bipedalism | Research Starters - EBSCO

    Bipedalism refers to the ability of certain animals to move using two legs, a form of locomotion that is primarily observed in humans, birds, some lizards, and certain insects.