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Discount applied at checkout. All candidates for this degree must complete enough hours of electives to meet the hour minimum for the degree, including a sufficient number of electives at the upper-division level to meet the UTSA minimum of 39 upper-division hours. The food with Nutrisystem tastes great. And unlike other diets, with Nutrisystem I don't crave junk food because I get a treat everyday in the meal plan: Subscribe Your privacy is important to us. With the general information covered, we can proceed to a comprehensive overview of Nutrisystem pricing.

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No matter what your needs and preferences are, there is a high chance that this company can satisfy your desires. With several hundred meals, over 3, items in the store, and new items added all the time, it is hard to speak of a definite price range. FreshDirect always has dozens of excellent, novice-friendly meal kits on its offer.

All the kits come with detailed instructions, as well as information on the number of servings, skill level, spice level, cooking time, necessary equipment, pantry items you should have on hand, and nutritional information. You even get great pairing suggestions so you can make your meal even more satisfying. There is no evidence of hominins in America, Australia, or almost anywhere in Oceania during this time period.

Fates of these early colonists, and their relationships to modern humans, are still subject to debate. According to current archaeological and genetic models, there were at least two notable expansion events subsequent to peopling of Eurasia c. In the Middle Paleolithic, Neanderthals were present in the region now occupied by Poland. Both Homo erectus and Homo neanderthalensis became extinct by the end of the Paleolithic.

Descended from Homo Sapiens , the anatomically modern Homo sapiens sapiens emerged in eastern Africa c. Multiple hominid groups coexisted for some time in certain locations.

Homo neanderthalensis were still found in parts of Eurasia c. DNA studies also suggest an unknown degree of interbreeding between Homo sapiens sapiens and Homo sapiens denisova. Hominin fossils not belonging either to Homo neanderthalensis or to Homo sapiens species, found in the Altai Mountains and Indonesia, were radiocarbon dated to c.

For the duration of the Paleolithic, human populations remained low, especially outside the equatorial region. Paleolithic humans made tools of stone, bone, and wood. Excavations in Gona, Ethiopia have produced thousands of artifacts, and through radioisotopic dating and magnetostratigraphy , the sites can be firmly dated to 2.

Evidence shows these early hominins intentionally selected raw materials with good flaking qualities and chose appropriate sized stones for their needs to produce sharp-edged tools for cutting. The earliest Paleolithic stone tool industry, the Oldowan , began around 2. It was completely replaced around , years ago by the more complex Acheulean industry, which was first conceived by Homo ergaster around 1.

Lower Paleolithic humans used a variety of stone tools, including hand axes and choppers. Although they appear to have used hand axes often, there is disagreement about their use. Interpretations range from cutting and chopping tools, to digging implements, to flaking cores, to the use in traps, and as a purely ritual significance, perhaps in courting behavior. Calvin has suggested that some hand axes could have served as "killer Frisbees " meant to be thrown at a herd of animals at a waterhole so as to stun one of them.

There are no indications of hafting , and some artifacts are far too large for that. Thus, a thrown hand axe would not usually have penetrated deeply enough to cause very serious injuries.

Nevertheless, it could have been an effective weapon for defense against predators. Choppers and scrapers were likely used for skinning and butchering scavenged animals and sharp-ended sticks were often obtained for digging up edible roots. Fire was used by the Lower Paleolithic hominins Homo erectus and Homo ergaster as early as , to 1.

The Lower Paleolithic Homo erectus possibly invented rafts c. However, this hypothesis is disputed within the anthropological community. In addition to improving tool making methods, the Middle Paleolithic also saw an improvement of the tools themselves that allowed access to a wider variety and amount of food sources. Harpoons were invented and used for the first time during the late Middle Paleolithic c.

During the Upper Paleolithic , further inventions were made, such as the net c. Archaeological evidence from the Dordogne region of France demonstrates that members of the European early Upper Paleolithic culture known as the Aurignacian used calendars c.

This was a lunar calendar that was used to document the phases of the moon. Genuine solar calendars did not appear until the Neolithic. The social organization of the earliest Paleolithic Lower Paleolithic societies remains largely unknown to scientists, though Lower Paleolithic hominins such as Homo habilis and Homo erectus are likely to have had more complex social structures than chimpanzee societies.

Similarly, scientists disagree whether Lower Paleolithic humans were largely monogamous or polygynous. Human societies from the Paleolithic to the early Neolithic farming tribes lived without states and organized governments. For most of the Lower Paleolithic, human societies were possibly more hierarchical than their Middle and Upper Paleolithic descendants, and probably were not grouped into bands , [50] though during the end of the Lower Paleolithic, the latest populations of the hominin Homo erectus may have begun living in small-scale possibly egalitarian bands similar to both Middle and Upper Paleolithic societies and modern hunter-gatherers.

Middle Paleolithic societies, unlike Lower Paleolithic and early Neolithic ones, consisted of bands that ranged from 20—30 or 25— members and were usually nomadic. Bands sometimes joined together into larger "macrobands" for activities such as acquiring mates and celebrations or where resources were abundant.

Much evidence exists that humans took part in long-distance trade between bands for rare commodities such as ochre , which was often used for religious purposes such as ritual [51] [52] and raw materials, as early as , years ago in Middle Paleolithic. Some sources claim that most Middle and Upper Paleolithic societies were possibly fundamentally egalitarian [3] [22] [38] [53] and may have rarely or never engaged in organized violence between groups i.

Like contemporary egalitarian hunter-gatherers such as the Mbuti pygmies, societies may have made decisions by communal consensus decision making rather than by appointing permanent rulers such as chiefs and monarchs.

Each member of the group was skilled at all tasks essential to survival, regardless of individual abilities. Theories to explain the apparent egalitarianism have arisen, notably the Marxist concept of primitive communism. Kelly speculates that the relative peacefulness of Middle and Upper Paleolithic societies resulted from a low population density, cooperative relationships between groups such as reciprocal exchange of commodities and collaboration on hunting expeditions, and because the invention of projectile weapons such as throwing spears provided less incentive for war, because they increased the damage done to the attacker and decreased the relative amount of territory attackers could gain.

Anthropologists have typically assumed that in Paleolithic societies, women were responsible for gathering wild plants and firewood, and men were responsible for hunting and scavenging dead animals. Men may have participated in gathering plants, firewood and insects, and women may have procured small game animals for consumption and assisted men in driving herds of large game animals such as woolly mammoths and deer off cliffs.

Early examples of artistic expression, such as the Venus of Tan-Tan and the patterns found on elephant bones from Bilzingsleben in Thuringia , may have been produced by Acheulean tool users such as Homo erectus prior to the start of the Middle Paleolithic period.

Lower Paleolithic Acheulean tool users, according to Robert G. They decorated themselves with beads and collected exotic stones for aesthetic, rather than utilitarian qualities. Fallio interprets Lower and Middle Paleolithic marking on rocks at sites such as Bilzingsleben such as zigzagging lines as accounts or representations of altered states of consciousness [73] though some other scholars interpret them as either simple doodling or as the result of natural processes.

Upper Paleolithic humans produced works of art such as cave paintings, Venus figurines, animal carvings, and rock paintings. The earliest explanation, by the prehistorian Abbe Breuil , interpreted the paintings as a form of magic designed to ensure a successful hunt.

The anthropologist David Lewis-Williams has suggested that Paleolithic cave paintings were indications of shamanistic practices, because the paintings of half-human, half-animal paintings and the remoteness of the caves are reminiscent of modern hunter-gatherer shamanistic practices. Archaeologists and anthropologists have described the figurines as representations of goddesses , pornographic imagery, apotropaic amulets used for sympathetic magic, and even as self-portraits of women themselves.

Dale Guthrie [78] has studied not only the most artistic and publicized paintings, but also a variety of lower-quality art and figurines, and he identifies a wide range of skill and ages among the artists. He also points out that the main themes in the paintings and other artifacts powerful beasts, risky hunting scenes and the over-sexual representation of women are to be expected in the fantasies of adolescent males during the Upper Paleolithic.

The "Venus" figurines have been theorized, not universally, as representing a mother goddess ; the abundance of such female imagery has inspired the theory that Paleolithic and later Neolithic societies centered their religion and societies around women.

Dale Gutrie's hypothesis that served as "stone age pornography ". The origins of music during the Paleolithic are unknown. This early music would not have left an archaeological footprint. Music may have developed from rhythmic sounds produced by daily chores, for example, cracking open nuts with stones. Maintaining a rhythm while working may have helped people to become more efficient at daily activities. Bird and other animal species produce music such as calls to attract mates.

Another explanation is that humans began to make music simply because it pleased them. Upper Paleolithic and possibly Middle Paleolithic [83] humans used flute -like bone pipes as musical instruments, [38] [84] and music may have played a large role in the religious lives of Upper Paleolithic hunter-gatherers.

As with modern hunter-gatherer societies, music may have been used in ritual or to help induce trances. In particular, it appears that animal skin drums may have been used in religious events by Upper Paleolithic shamans, as shown by the remains of drum-like instruments from some Upper Paleolithic graves of shamans and the ethnographic record of contemporary hunter-gatherer shamanic and ritual practices.

According to James B. Harrod humankind first developed religious and spiritual beliefs during the Middle Paleolithic or Upper Paleolithic. Fallio, have recently proposed that religion and spirituality and art may have first arisen in Pre-Paleolithic chimpanzees [86] or Early Lower Paleolithic Oldowan societies.

Middle Paleolithic humans' use of burials at sites such as Krapina , Croatia c. According to recent archaeological findings from Homo heidelbergensis sites in Atapuerca , humans may have begun burying their dead much earlier, during the late Lower Paleolithic ; but this theory is widely questioned in the scientific community.

Likewise, some scientists have proposed that Middle Paleolithic societies such as Neanderthal societies may also have practiced the earliest form of totemism or animal worship , in addition to their presumably religious burial of the dead.

In particular, Emil Bächler suggested based on archaeological evidence from Middle Paleolithic caves that a bear cult was widespread among Middle Paleolithic Neanderthals. The existence of anthropomorphic images and half-human, half-animal images in the Upper Paleolithic may further indicate that Upper Paleolithic humans were the first people to believe in a pantheon of gods or supernatural beings , [91] though such images may instead indicate shamanistic practices similar to those of contemporary tribal societies.

Fallio writes that ancestor cults first emerged in complex Upper Paleolithic societies. He argues that the elites of these societies like the elites of many more contemporary complex hunter-gatherers such as the Tlingit may have used special rituals and ancestor worship to solidify control over their societies, by convincing their subjects that they possess a link to the spirit world that also gives them control over the earthly realm.

Religion was possibly apotropaic ; specifically, it may have involved sympathetic magic. Paleolithic hunting and gathering people ate varying proportions of vegetables including tubers and roots , fruit, seeds including nuts and wild grass seeds and insects, meat, fish, and shellfish.

The Paleolithic was an extended period of time, during which multiple technological advances were made, many of which had impact on human dietary structure. For example, humans probably did not possess the control of fire until the Middle Paleolithic, [99] or tools necessary to engage in extensive fishing. In addition, the Paleolithic involved a substantial geographical expansion of human populations.

During the Lower Paleolithic, ancestors of modern humans are thought to have been constrained to Africa east of the Great Rift Valley. During the Middle and Upper Paleolithic, humans greatly expanded their area of settlement, reaching ecosystems as diverse as New Guinea and Alaska , and adapting their diets to whatever local resources were available.

Another view is that until the Upper Paleolithic, humans were frugivores fruit eaters who supplemented their meals with carrion, eggs, and small prey such as baby birds and mussels , and only on rare occasions managed to kill and consume big game such as antelopes.

Anthropologists have diverse opinions about the proportions of plant and animal foods consumed. Just as with still existing hunters and gatherers, there were many varied "diets"—in different groups—and also varying through this vast amount of time. Some paleolithic hunter-gatherers consumed a significant amount of meat and possibly obtained most of their food from hunting, [] while others are shown as a primarily plant-based diet, [62] Most, if not all, are believed to have been opportunistic omnivores.

There's evidence of Paleolithic people killing and eating seals and elands as far as c. On the other hand, buffalo bones found in African caves from the same period are typically of very young or very old individuals, and there's no evidence that pigs, elephants, or rhinos were hunted by humans at the time.

Paleolithic peoples suffered less famine and malnutrition than the Neolithic farming tribes that followed them. Large-seeded legumes were part of the human diet long before the Neolithic Revolution , as evident from archaeobotanical finds from the Mousterian layers of Kebara Cave , in Israel.

Upper Paleolithic cultures appear to have had significant knowledge about plants and herbs and may have, albeit very rarely, practiced rudimentary forms of horticulture. In some instances at least the Tlingit , they developed social stratification , slavery , and complex social structures such as chiefdoms. A modern-day diet known as the Paleolithic diet exists, based on restricting consumption to the foods presumed to be available to anatomically modern humans prior to the advent of settled agriculture.

From Wikipedia, the free encyclopedia. Mousterian — ka Aterian c. Life timeline and Nature timeline. Some of this article's listed sources may not be reliable. Please help this article by looking for better, more reliable sources. Unreliable citations may be challenged or deleted.

February Learn how and when to remove this template message. Between Nothing and Everything. Winfried; Hardt, Thorolf; Tatersall, Ian. Berlin; Heidelberg; New York: Science and Technology in World History: Global Ecology and Biogeography. University of California Museum of Paleontology. Retrieved 22 August The Earth has been in an Ice House Climate for the last 30 million years.

New Views on an Old Planet: A History of Global Change. Retrieved February 14, Walker's Mammals of the World. Johns Hopkins University Press.

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