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The killer ape theory or killer ape hypothesis is the theory that war and interpersonal aggression was the driving force behind human evolution.It was originated by Raymond Dart in his 1953 article "The predatory transition from ape to man"; it was developed further in African Genesis by Robert Ardrey in 1961. [1]
Isolated and domesticated llamas are more likely to have berserk llama syndrome. Berserk llama syndrome (usually shortened to BLS), aberrant behavior syndrome, or berserk male syndrome (as it is more pronounced in males) is a psychological condition experienced by human-raised camelids, particularly llamas and alpacas, that can cause them to exhibit dangerously aggressive behavior toward humans.
Agonistic behaviour is a result of evolution, [5] and this can be studied in a number of species facing different environmental pressures. Though agonistic behaviours can be directly observed and studied in a laboratory setting, it is also important to understand these behaviours in a natural setting to fully comprehend how they have evolved and therefore differ under different selective ...
Zur Naturgeschichte der Aggression, "So-called Evil: on the natural history of aggression") is a 1963 book by the ethologist Konrad Lorenz; it was translated into English in 1966. [1] As he writes in the prologue, "the subject of this book is aggression , that is to say the fighting instinct in beast and man which is directed against members of ...
In other species, males that are smaller than females have higher fitness. As such, many sex-specific morphological adaptations (for example, in Dytiscidae diving beetles, females have setose dorsal furrows that males do not and males have suction cups on their forelegs that females do not [18]) are sexual dimorphisms caused by sexual coercion.
The Goodness Paradox: The Strange Relationship Between Virtue and Violence in Human Evolution is a book by British primatologist Richard Wrangham. [ 1 ] [ 2 ] [ 3 ] Wrangham argues that humans have domesticated themselves by a process of self-selection similar to the selective breeding of foxes described by Dmitry Belyayev , a theory first ...
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According to contemporary philosopher Nigel Warburton, for most of human history the dominant view has been that animals are there for humans to do with as they see fit. [2] Sociologist David Nibert emphasizes that the process of domestication dramatically increased the exploitation of animals by humans, particularly in Eurasia .