What is broad spectrum foraging?
More than 40 years ago Kent Flannery coined the term Broad Spectrum Revolution (BSR) in reference to a broadening of the subsistence base of Late Pleistocene hunter–gatherers in the Near East that preceded and helped pave the way for the domestication and plants and animals and the emergence of agriculture.
What is the broad spectrum theory?
From Wikipedia, the free encyclopedia. The broad spectrum revolution (BSR) hypothesis, proposed by Kent Flannery in a 1968 paper presented to a London University symposium, suggested that the emergence of the Neolithic in southwest Asia was prefaced by increases in dietary breadth among foraging societies.
What is the defining feature of the broad-spectrum revolution ‘?
The Broad Spectrum Revolution (abbreviated BSR and sometimes referred to as niche broadening) refers to a human subsistence shift at the end of the last Ice Age (ca 20,000–8,000 years ago).
What was the primary reason for the environmental changes that contributed to the broad spectrum foraging revolution?
The broad-spectrum revolution has also been linked to climatic changes, including sea level rises during which: Conditions became more inviting to marine life offshore in shallow, warm waters. Quantity and variety of marine life increased drastically as did the number of edible species.
What was the broad spectrum revolution quizlet?
The broad spectrum revolution followed the ice age around 15,000 BP in the Middle East and 12,000 BP in Europe. During this time, there was a transition from focusing on a few main food sources to gathering/hunting a “broad spectrum” of plants and animals.
Why was the broad spectrum revolution a significant event in human evolution?
Why was the broad-spectrum revolution a significant event in human evolution? It provided new environmental circumstances that made important sociocultural adaptations like the development of plant cultivation more likely.
What is broad spectrum collecting anthropology?
Broad Spectrum Collectors – These are also commonly known as Hunter-Gatherers or Foragers. They rely on a wide variety of food sources, hunting down their food and gathering it from their surrounding areas. These groups did not raise livestock or grow plants, but collected it from their environment.
What is revolutionary about what Kent Flannery 1969 called the broad spectrum revolution?
Which of the following tools were being used during the Upper Paleolithic time frame?
Stone tools of the Upper Paleolithic were primarily blade-based technology. Blades are stone pieces that are twice as long as they are wide and, generally, have parallel sides. They were used to create an astonishing range of formal tools, tools created to specific, wide-spread patterns with specific purposes.
How was the blade core method which characterizes the tools of Upper Paleolithic traditions?
How was the blade-core method, which characterizes the tools of Upper Paleolithic traditions, superior to Mousterian technology? The Upper Paleolithic blade-core method was faster and produced 15 times as much cutting edge from the same amount of material. What species is associated with the broad-spectrum revolution?
What is the broad spectrum revolution quizlet?
Which of the following is most characteristic of foragers?
Which of the following is most characteristic of foragers? periodic cycles of cultivation and fallowing. Why do slash-and-burn cultivators stop using a plot of land every two to three years? They do not use fertilizer; thus, their crops exhaust the soil quickly.