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Evolutionary psychology is a theoretical approach in psychology that examines cognition and behavior from a modern evolutionary perspective. [1] [2] It seeks to identify human psychological adaptations with regards to the ancestral problems they evolved to solve.
Models of food-sharing are based upon general evolutionary theory. When applied to human behavior, these models are considered a branch of human behavioral ecology. Researchers have developed several types of food-sharing models, involving phenomena such as kin selection, reciprocal altruism, tolerated theft, group cooperation, and costly ...
Human food is food which is fit for human consumption, and which humans willingly eat. Food is a basic necessity of life, and humans typically seek food out as an instinctual response to hunger ; however, not all things that are edible constitute as human food.
Human coprolites can also reflect direct evidence of diet. [citation needed] More recent techniques have been introduced such as carbon isotopic analysis of recovered bones, which can be used as direct evidence of diet, and life history traits. An example would be the expensive tissue hypothesis, linking a decrease in gut size with an increase ...
It seeks to identify which human psychological traits are evolved adaptations – that is, the functional products of natural selection or sexual selection in human evolution. Forensic anthropology is the application of the science of physical anthropology and human osteology in a legal setting, most often in criminal cases where the victim's ...
Studies of a variety of populations around the world show that humans can live healthily with a wide variety of diets and that humans have evolved to be flexible eaters. [57] Lactase persistence, which confers lactose tolerance into adulthood, is an example of how some humans have adapted to the introduction of dairy into their diet.
Human behaviour genetics is an interdisciplinary subfield of behaviour genetics that studies the role of genetic and environmental influences on human behaviour. Classically, human behavioural geneticists have studied the inheritance of behavioural traits. The field was originally focused on determining the importance of genetic influences on ...
Taphonomic change in fish skeletons from Blombos Cave have been interpreted as capture of live fish, clearly an intentional human behavior. [8] Humans in North Africa (Nazlet Sabaha, Egypt) are known to have dabbled in chert mining, as early as ≈100,000 years ago, for the construction of stone tools. [61] [62]