{"id":74025,"date":"2025-02-07T16:52:06","date_gmt":"2025-02-07T16:52:06","guid":{"rendered":"https:\/\/peraltafinancing.com\/anthropology\/anthropology-for-beginners-human-bio-cultural-evolution\/"},"modified":"2025-02-07T16:52:06","modified_gmt":"2025-02-07T16:52:06","slug":"anthropology-for-beginners-human-bio-cultural-evolution","status":"publish","type":"post","link":"https:\/\/fivemor.com\/?p=74025","title":{"rendered":"ANTHROPOLOGY FOR BEGINNERS: Human Bio-Cultural Evolution"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div style=\"clear: both; text-align: center;\">\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">most<br \/>\nanthropologists surmise that members of early Homo species, rather than the<br \/>\naustralopithecines, made those tools. After all, early Homo had a brain<br \/>\ncapacity almost one-third larger than that of the australopithecines. But the<br \/>\nfact is that none of the earliest stone tools is clearly associated with early<br \/>\nHomo, so it is impossible as yet to know who made them.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">As the figure (on the left) suggests, we can map the<br \/>\ntools usage alongside of the different species of early homo around 2 to 1<br \/>\nMillion Years. This clearly reflects the fact that there were existence of<br \/>\ncultural aparatus for adaptation to the environmental challenges. <\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">\u00a0As we can map between the early homo along<br \/>\nwith the stone tool assemblages, we can have roughly the following picture.<\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"><a href=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjUicUnroGuzsMcoOQhlAwmeShG4Tdw7r8uqcrZFKlNzdTW0eUa0syNnsrpuG2pS96HExipG_v81d2t4tRiZNX1fnpzPKtyoHAPz7W65Ko3L-CoqPxgcw8Oy0Pc7zi80zbblq9_LHHUMWGO\/\" style=\"margin-left: 1em; margin-right: 1em;\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" data-original-height=\"717\" data-original-width=\"979\" height=\"324\" src=\"https:\/\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEjUicUnroGuzsMcoOQhlAwmeShG4Tdw7r8uqcrZFKlNzdTW0eUa0syNnsrpuG2pS96HExipG_v81d2t4tRiZNX1fnpzPKtyoHAPz7W65Ko3L-CoqPxgcw8Oy0Pc7zi80zbblq9_LHHUMWGO\/w442-h324\/image.png\" width=\"442\"\/><\/a><\/div>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Therefore,<br \/>\nas we can see a combination of the biological, especially the fossil evidences along<br \/>\nwith the artifact are all we have to imagine what might have been the past<br \/>\nhuman\u2019s lifeways. Although, it is difficult to<br \/>\npin-point how, early humans have adapted to their environment and came out of<br \/>\nthe challenges, archaeologists and palaeontologists have nevertheless gave us<br \/>\ncertain clues. Archaeologists have speculated about the lifestyles of early<br \/>\nhominins from Olduvai and other sites. Some of these speculations come from<br \/>\nanalysis of what can be done with the tools, microscopic analysis of wear on<br \/>\nthe tools, and examination of the marks the tools make on bones; other<br \/>\nspeculations are based on what is found with the tools.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Archaeologists have experimented with what can be done<br \/>\nwith Oldowan tools. The flakes appear to be very versatile; they can be used<br \/>\nfor slitting the hides of animals, dismembering animals, and whittling wood<br \/>\ninto sharp-pointed sticks (wooden spears or digging sticks). The larger stone<br \/>\ntools (choppers and scrapers) can be used to hack off branches or cut and chop<br \/>\ntough animal joints.6 Those who have made and tried to use stone tools for<br \/>\nvarious purposes are so impressed by the sharpness and versatility of flakes<br \/>\nthat they wonder whether most of the core tools were really used as tools. The<br \/>\ncores could mainly be what remained after wanted flakes were struck off.<br \/>\nArchaeologists surmise that many early tools were also made of wood and bone, but<br \/>\nthese do not survive in the archaeological record. Present-day populations use<br \/>\nsharppointed digging sticks for extracting roots and tubers from the ground;<br \/>\nstone flakes are very effective for sharpening wood to a very fine point. None<br \/>\nof the early flaked stone tools can plausibly be thought of as weapons. So, if<br \/>\nthe toolmaking hominins were hunting or defending themselves with weapons, they<br \/>\nhad to have used wooden spears, clubs, or unmodified stones as missiles. Later,<br \/>\nOldowan tool assemblages also include stones that were flaked and battered into<br \/>\na rounded shape. The unmodified stones and the shaped stones might have been<br \/>\nlethal projectiles.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">There<br \/>\nare many prominent approaches to the understanding of the evolution of human<br \/>\nbehavior:<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\"><b>Sociobiology:<\/b> an approach that uses<br \/>\nprinciples drawn from the biological sciences to explain human social behavior<br \/>\nand social institutions.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\"><b>Human behavioral ecology (HBE):<\/b> a<br \/>\nperspective that focuses on how ecological and social factors affect behavior<br \/>\nthrough natural selection.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\"><b>Evolutionary psychology (EP):<\/b> a<br \/>\nperspective focused on understanding the evolution of psychological mechanisms<br \/>\nresulting in human behavior.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\"><b>Dual-inheritance theory (DIT):<\/b> the<br \/>\nperspective that culture is evolutionarily important, that culture evolves in a<br \/>\nDarwinian fashion, and that understanding gene\u2013culture co-evolution is the key<br \/>\nto understanding human behavior.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Contemporary<br \/>\nevolutionary theory has developed new understandings of the complex<br \/>\nrelationships between organisms and biological patterns not fully encompassed<br \/>\nby the four genetic evolutionary mechanisms of mutation, natural selection,<br \/>\ngenetic drift, and gene flow. Within the framework of the extended evolutionary<br \/>\nsynthesis, there is recognition of how extra-genetic inheritances,<br \/>\ndevelopmental biases, and niche construction also contribute to evolutionary<br \/>\nprocesses, all of which provide the foundations for recognizing the biocultural<br \/>\npatterns that affect human evolution. The approach presented here is known as a<br \/>\nconstructivist approach, which emphasizes that a core dynamic of human biology<br \/>\nand culture is processes of construction: the construction of meanings, social<br \/>\nrelationships, ecological niches, and developing bodies.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Jablonka<br \/>\nand Lamb point out that explanations of human evolution have traditionally<br \/>\nfocused on only one system of inheritance\u2014the genetic system\u2014which relies on<br \/>\nexplanations at the level of genes. But human evolution also works in the<br \/>\nepigenetic, behavioral, and symbolic inheritance systems. One such system is<br \/>\nthe epigenetic system of inheritance: the biological aspects of bodies that<br \/>\nwork in combination with the genes and their protein products, such as the<br \/>\nmachinery of the cells, the chemical interactions between cells, and reactions<br \/>\nbetween types of tissue and organs in the body. The epigenetic system helps the<br \/>\ninformation in the genes actually get expressed, and therefore it impacts genes<br \/>\nas well as the whole body by altering an individual\u2019s physical traits.<br \/>\nOffspring may inherit those altered traits due to the past experiences of their<br \/>\nparents. In humans, epigenetic inheritance is more difficult to observe because<br \/>\nof our long life spans, genetic diversity, and the fact that we don\u2019t live in<br \/>\nhighly controlled environments. Epigenetic inheritance may be taking place,<br \/>\nhowever, in historical variations in access to food, which can result in health<br \/>\neffects on offspring.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Another<br \/>\nsuch system is the behavioral system of inheritance: the types of patterned<br \/>\nbehaviors that parents and adults pass on to young members of their group by<br \/>\nway of learning and imitation. Consider birds, for example. They must learn<br \/>\nfrom their parents which foods to eat and which to avoid, since there are no<br \/>\ngenes telling them what to eat. In humans, we call these learned and patterned<br \/>\nbehaviors norms, customs, and traditions. Cross-cultural variability of human<br \/>\nnorms, customs, and traditions demonstrates the behavioral flexibility and<br \/>\nplasticity of humans, something that has long shaped the adaptive possibilities<br \/>\nof our species. We learn a wide variety of behaviors from authority figures and<br \/>\npeers simply by observing and being corrected in everyday life. We also<br \/>\nconstruct elaborate and formalized social institutions to mediate, manage, and<br \/>\ncontrol the behaviors of group members. These activities consume much of our<br \/>\nenergy, thought, worries, and creativity, but none of this activity is located<br \/>\nin any specific genetic sequences. As a result, in humans there is also a<br \/>\nsymbolic system of inheritance: the linguistic system through which humans<br \/>\nstore and communicate their knowledge and conventional understandings using<br \/>\nsymbols. This system of inheritance is intimately tied to the behavioral system<br \/>\nof inheritance. Symbols are rooted in our linguistic abilities. With some<br \/>\nexceptions, all humans are capable of learning a language. This is enabled by a<br \/>\ncertain genetic make-up that only other humans share. The actual language we do<br \/>\nlearn from our parents and peers then helps shape the way we perceive and interact<br \/>\nwith the world around us. Symbols and the meanings people attribute to them are<br \/>\narbitrary and socially constructed and are not coded in the genes. Another<br \/>\nfoundation of the biocultural perspective is the shift in thinking about<br \/>\nevolution that came with the introduction of developmental systems theory<br \/>\n(DST): an approach that combines multiple dimensions and interactants toward<br \/>\nunderstanding the development of organisms and systems and their evolutionary<br \/>\nimpact. DST focuses on the development of biological and behavioral systems<br \/>\nover time rather than on genes as the core of evolutionary processes and<br \/>\nrejects the idea that there is a gene \u201cfor\u201d anything. Evolutionary processes<br \/>\nare fundamentally open-ended and complex because they involve the ongoing assembly<br \/>\nof new biological structures interacting with non-biological structures. In<br \/>\nthis sense development comes from the growth and interaction of several<br \/>\ndistinct systems: genes and cells, muscles and bone, and the brain and nervous<br \/>\nsystem. All develop over the lifetime of the individual. Thus, evolution is not<br \/>\na matter of the environment shaping fundamentally passive organisms or<br \/>\npopulations, as suggested by natural selection theory, but consists of many<br \/>\nother developmental systems simultaneously changing over time.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Human<br \/>\nevolution is thus characterized by a complex set of interactions among the<br \/>\nvarious biological systems occurring throughout an individual\u2019s lifetime, all<br \/>\ninteracting with factors like human demography, social interactions, cultural<br \/>\nvariations, language, and environmental change. These processes make it more<br \/>\ndifficult to describe our evolution but do recognize the actual complexity<br \/>\ninvolved in how human biocultural systems work. A critical aspect of our<br \/>\nbiocultural existence involves changing and constructing the world around us. A<br \/>\nniche is the relationship between an organism and its ecology, which affects<br \/>\nhow that organism makes a living within a particular environment and leads to<br \/>\nthe construction of niches. The scale of niche construction and niche<br \/>\ndestruction can occur at the narrow local level or on a global scale and can<br \/>\nchange the kinds of natural selection pressures placed on the organisms<br \/>\ninvolved. Many different types of organisms engage in niche construction.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Much<br \/>\nof what we take as \u201cnatural\u201d in a landscape is actually an artifact of human<br \/>\nniche construction and its effects. That human influence over ecosystems is the<br \/>\ndefining dynamic of our world today leads a number of scholars to adopt the<br \/>\nterm Anthropocene: the geological epoch defined by substantial human influence<br \/>\nover ecosystems. Human reorganization of ecosystems creates conditions for a<br \/>\nco-evolutionary process in which humans, plants, animals, and microorganisms<br \/>\ncan mutually shape each other\u2019s evolutionary prospects. Thus, niche construction<br \/>\ncreates a kind of \u201cecological system of inheritance.\u201d These approaches go well<br \/>\nbeyond privileging genetic mechanisms as the main or sole force in evolution.<br \/>\nThey do fit well with the ways in which some researchers have long seen<br \/>\nselection interacting with environments over the course of evolutionary time<br \/>\nwithout reducing those processes to natural selection. See \u201cClassic<br \/>\nContributions: Sewall Wright, Evolution, and Adaptive Landscapes.\u201d<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">It<br \/>\nwould be unreasonable to assume that all of the details previously discussed<br \/>\nare accepted in equal measure. But in terms of meeting the challenge of<br \/>\nconstructing a holistic biocultural perspective, which takes culture and<br \/>\nbiology equally seriously, these positions provide the basis for a productively<br \/>\ncomplicated understanding of human evolution. The constructivist approach<br \/>\nacknowledges that biocultural dynamics are open-ended and involve interactions<br \/>\nbetween diverse forces and agents. <\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">We<br \/>\ncan imagine (if not reconstruct) certain cultural aspects as shaping much of<br \/>\nwhat we are through foods we eat people we chose to mate. For example, <b>Food taboos<\/b> are generally part of being<br \/>\nhuman, which involves imposing arbitrary symbolic divisions upon the natural<br \/>\nworld, and feeling somewhat arbitrarily that certain things are food and<br \/>\ncertain things are not food, in spite of the fact that both classes of things<br \/>\nmay be completely edible. The taboos are learned, not instinctual, because they<br \/>\nchange with the times, while still evoking diverse forms of repulsion or<br \/>\naversion. Not eating other humans is simply the food taboo that is most<br \/>\nfundamental and universal. Most food taboos are more provincial: some peoples<br \/>\neat pig meat, others don\u2019t; some peoples eat dog meat, others don\u2019t; some<br \/>\npeoples eat insects, or poisonous pufferfish, or Twinkies, or whatever weird<br \/>\nthings happen to be in their environment and might be nutritious, tasty, or fun<br \/>\nto eat. This is not a biological universe, contrasting things that are healthy<br \/>\nand filling and digestible against things that aren\u2019t; but a symbolic universe,<br \/>\ncontrasting things that are considered proper and acceptable to be eaten<br \/>\nagainst things that aren\u2019t.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Symbolic<br \/>\nboundaries are fundamental to human thought, but of course they are imaginary.<br \/>\nThose boundaries are crucial to group identity, and they may be cast in terms<br \/>\nof what is considered appropriate self-adornment, or how to communicate<br \/>\nproperly \u2013 that is to say, the \u201cboundary work\u201d of culture. In this case,<br \/>\nhowever, the symbolic boundary lies not between those who wear saris and those<br \/>\nwho wear blue jeans, or between those who distinguish between the \u201cS\u201d sound and<br \/>\nthe \u201cSh\u201d sound and those who don\u2019t9 \u2013 but between those who count as human and<br \/>\nthose who don\u2019t. The rule is: Animals eat people, people don\u2019t. <\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Not<br \/>\nonly are there certain foods that you cannot eat, even though they are edible,<br \/>\nbut there are also certain people that you cannot marry or have sex with,<br \/>\nbecause of <b>incest taboo<\/b> even though<br \/>\nthey may be really attractive and may love you. The people who are covered by<br \/>\nthe taboo may vary somewhat from place to place. As noted above, your first<br \/>\ncousin may be either a preferred partner or a taboo partner. Your first cousin<br \/>\nmay even be both \u2013 your mother\u2019s brother\u2019s offspring and your mother\u2019s sister\u2019s<br \/>\noffspring may be considered to be different relations, one a fine mate and the<br \/>\nother incestuous. Non-blood relations may be covered by the same taboos as<br \/>\nblood relations, such as your in-laws. The Bible\u2019s incest prohibitions<br \/>\nspecifically cover a man\u2019s stepmother, aunt (i.e., uncle\u2019s wife), and<br \/>\ndaughter-in-law, even though they aren\u2019t blood relations. There are several<br \/>\nbiological consequences of this form of incest, first, this opens up an avenue<br \/>\nfor genetic diversification and prevents inbreeding, second, because one has to<br \/>\nfind mate outside of his\/her close group, one has to wait for a while which<br \/>\nhelps getting human the time needed for become physically and mentally mature,<br \/>\nthird, this stops indiscriminate sex and gives avenues for human mothers to<br \/>\nrear their children before they pregnant again. <\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">Emergence<br \/>\nof the <b>non-sexual bond<\/b> between<br \/>\nopposite-sex siblings, which is special to humans, for it creates a new kind of<br \/>\nsocial relationship: a lifelong intimate interaction between opposite-sex<br \/>\nindividuals that is not sexual. This will be symbolically extendable in three<br \/>\nways: first, to other family members, and banning sexual relations with them,<br \/>\nonce there is a concept of the family; second, to other opposite-sex community<br \/>\nor clan members, accompanying a broader conception of kinship than just the<br \/>\nfamily, and forming the basis of exogamous marriage rules;23 and third, to<br \/>\nother generations, where the offspring of those same taboo opposite-sex<br \/>\nsiblings will be cross-cousins, and may be symbolically special, but in the<br \/>\ndirectly opposite way, as normative spouses.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">\n<p>\u00a0<\/p>\n<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\">\n<p><b>Further reading: <\/b><span style=\"font-size: 11pt; line-height: 115%;\"><a href=\"https:\/\/global.oup.com\/us\/companion.websites\/9780199947591\/sr\/ch9\/outline\/\"><b>https:\/\/global.oup.com\/us\/companion.websites\/9780199947591\/sr\/ch9\/outline\/<\/b><\/a><\/span><\/p>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>most anthropologists surmise that members of early Homo species, rather than the australopithecines, made those tools. After all, early Homo had a brain capacity almost one-third larger than that of the australopithecines. But the fact is that none of the earliest stone tools is clearly associated with early Homo, so it is impossible as yet [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":74026,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11767],"tags":[3735,2737,38259,7471,1064],"dealstore":[],"offerexpiration":[],"class_list":["post-74025","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anthropology","tag-anthropology","tag-beginners","tag-biocultural","tag-evolution","tag-human"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ANTHROPOLOGY FOR BEGINNERS: Human Bio-Cultural Evolution - Som2ny Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fivemor.com\/?p=74025\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ANTHROPOLOGY FOR BEGINNERS: Human Bio-Cultural Evolution - Som2ny Network\" \/>\n<meta property=\"og:description\" content=\"most anthropologists surmise that members of early Homo species, rather than the australopithecines, made those tools. 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