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What theory states that homo sapiens began in a single geographical area and spread out from there?
The Out of Africa theory posits that Homo sapiens originated in Africa and then migrated to populate the rest of the world. This theory is supported by genetic evidence and fossil records.
Did the earliest life forms of earth live on land or water or air?
The prevailing theory of the origin of life on earth posits that it began in the oceans.
What name do you give to the theory for the origin of the Universe?
The Big Bang Theory is the name given to the theory of cosmic expansion. The idea is of an ever expanding universe. It posits that at some point all matter in the universe was contained within one point.
Which theory of social change holds that society is moving in a definite direction?
The theory of social evolution holds that society is moving in a definite direction towards progress and development. This theory posits that societies evolve and change over time in a linear and predetermined manner.
The Schachter-Singer theory of emotion says that?
The Schachter-Singer theory of emotion, also known as the two-factor theory, posits that emotions are a result of the interaction between physiological arousal and cognitive interpretation of the situation. According to this theory, we label our emotions based on how we interpret the source of our arousal.
What theory best explains emotional state?
One theory that explains emotional states is the James-Lange theory, which posits that emotions are a result of physiological changes in response to external stimuli. According to this theory, specific physiological responses (such as increased heart rate or sweating) trigger emotions.
What are the two hypotheses that attempt to explain how humans migrated around the world?
The Out Of Africa Theory, which posits that humans migrated out of Africa and replaced, more or less, all other human species around the world. The genetic evidence is very strong here, excepting some admixture with Neanderthals.The in place theory which posits that humans evolved from the endemic populations that existed around the world. This theory is almost refuted by the evidence of haplotypes and their spread.
Which of the following social theorists is identified with modernization theory?
Talcott Parsons is often associated with modernization theory, which posits that societies progress from traditional to modern forms through industrialization and economic development.
What is the central idea of psychoanalytic theory?
The central idea of psychoanalytic theory is that unconscious thoughts and emotions influence behavior. This theory posits that early childhood experiences shape adult personality and that exploring the unconscious mind can help individuals understand their motivations and behaviors.
What is the oral gesture theory?
The oral gesture theory posits that language evolved from manual gestures used by our ancient ancestors, with the transition to vocalizations occurring later as gestures became associated with specific meanings. This theory suggests that language has its roots in manual communication systems.
What are the seven theories of the nazca lines'?
Astronomical calendar theory: suggests the lines were used to track celestial events. Nazca cosmology theory: proposes the lines represent sacred symbols and figures in Nazca culture. Water cult theory: posits the lines were linked to rituals associated with water and fertility. Landing strips for aliens theory: suggests the lines were created for extraterrestrial visitors. Agricultural calendar theory: proposes the lines were connected to agricultural cycles and rituals. Reason or observation points theory: speculates the lines were used as markers or direction indicators. Pilgrimage path theory: posits the lines guided pilgrims to religious sites or ceremonial centers.
Which theory suggests that the basic unit of life is the creature or organism which may be divided into cells?
Cell theory posits that cells are the basic unit of life and that all living organisms are composed of one or more cells. This theory was proposed by Matthias Schleiden, Theodor Schwann, and Rudolf Virchow in the 19th century.
