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  1. Human behavior | Definition, Theories, Characteristics, Examples, Types ...

    What is human behaviour? What are some basic ways humans act or react in daily life? How do feelings and thoughts influence human behaviour? What role does learning from others play in shaping …

  2. Fish - Migration, Communication, Adaptation | Britannica

    Oct 28, 2025 · Fish - Migration, Communication, Adaptation: Fish behavior is a complicated and varied subject. They perceive the world around them by the usual senses of sight, smell, hearing, touch, …

  3. Behavioral science | Definition, Examples, & Facts | Britannica

    Behavioral science, any of various disciplines dealing with the subject of human actions, usually including the fields of sociology, social and cultural anthropology, psychology, and behavioral …

  4. Cognition | Definition, Psychology, Examples, & Facts | Britannica

    Nov 27, 2025 · The second approach is based on the work of Swiss psychologist Jean Piaget, who viewed cognitive adaptation in terms of two basic processes: assimilation and accommodation.

  5. Human nervous system - Emotion, Behaviour, Control | Britannica

    Oct 27, 2025 · Human nervous system - Emotion, Behaviour, Control: In order to carry out correct behavior—that is to say, correct in relation to the survival of the individual—humans have developed …

  6. Wave | Behavior, Definition, & Types | Britannica

    Nov 20, 2025 · The study of sound should begin with the properties of sound waves. There are two basic types of wave, transverse and longitudinal, differentiated by the way in which the wave is …

  7. Evolutionary psychology | Human Behavior & Adaptation | Britannica

    What is evolutionary psychology? How does evolutionary psychology explain human behavior? What are some examples of traits studied in evolutionary psychology? How do instincts relate to …

  8. Quantum mechanics | Definition, Development, & Equations | Britannica

    Nov 14, 2025 · Quantum mechanics, science dealing with the behavior of matter and light on the atomic and subatomic scale. It attempts to describe and account for the properties of molecules and atoms …

  9. Judaism - Monotheism, Torah, Covenant | Britannica

    Nov 24, 2025 · Within the community, each Jew is called upon to realize the covenant in his or her personal intention and behavior. In considering the basic affirmations of Judaism from this point of …

  10. Psychological development | Definition, Stages, Examples, & Facts ...

    Nov 8, 2025 · Three-month-old infants already display behavioral reactions suggestive of such emotional states as surprise, distress, relaxation, and excitement. New emotional states, including anger, …