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  1. Human - Wikipedia

    Human evolution is characterized by a number of morphological, developmental, physiological, and behavioral changes that have taken place since the split between the last common ancestor of …

  2. HUMAN Definition & Meaning - Merriam-Webster

    The meaning of HUMAN is of, relating to, or characteristic of humans. How to use human in a sentence.

  3. Human evolution | History, Stages, Timeline, Tree, Chart, & Facts ...

    Dec 11, 2025 · The only extant members of the human tribe, Hominini, belong to the species Homo sapiens. The exact nature of the evolutionary relationships between modern humans and their …

  4. HUMAN Definition & Meaning | Dictionary.com

    HUMAN definition: of, relating to, characteristic of, or having the nature of people. See examples of human used in a sentence.

  5. What Is a Human? - Psychology Today

    Apr 20, 2025 · An individual human is much more than applied labels of name, race, sex, and nationality. Each of us lives inside a massive, ongoing story we have only begun to understand.

  6. Human Characteristics: What Does it Mean to be Human

    Jan 3, 2024 · Part of what it means to be human is how we became human. Over a long period of time, as early humans adapted to a changing world, they evolved certain characteristics that help define …

  7. Human being - New World Encyclopedia

    However, human beings not only define themselves biologically and anatomically, but also in psychological, social, and spiritual terms. Psychologically, humans have a highly developed brain …

  8. Human - Simple English Wikipedia, the free encyclopedia

    Human behaviour is hard to understand, so sometimes, psychologists study animals because they may be simpler and easier to know. Psychology overlaps with many other sciences, including medicine, …

  9. Human body | Organs, Systems, Structure, Diagram, & Facts - Britannica

    Dec 10, 2025 · Characteristic of the vertebrate form, the human body has an internal skeleton with a backbone, and, as with the mammalian form, it has hair and mammary glands.

  10. Introduction to Human Evolution - The Smithsonian's Human Origins …

    Jul 9, 2024 · One of the earliest defining human traits, bipedalism -- the ability to walk on two legs -- evolved over 4 million years ago. Other important human characteristics -- such as a large and …