Prepare a flowchart describing the expansion in the uses of fire since its discovery till the present day.
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The Adventure Service
Feb 21, 2019
3 min
Influence of Fire on Human Evolution
Throughout the evolution of hominids, (the family of primates that humans belong to) there has been a close connection with fire.
Hominids must have learned to manage fire very early in our history; most probably from natural sources, such lightning strikes and naturally occurring forest fires. It was much later that Hominids invented processes for fire lighting.
Post
The Adventure Service
Feb 21, 2019
3 min
Influence of Fire on Human Evolution
Throughout the evolution of hominids, (the family of primates that humans belong to) there has been a close connection with fire.
Hominids must have learned to manage fire very early in our history; most probably from natural sources, such lightning strikes and naturally occurring forest fires. It was much later that Hominids invented processes for fire lighting.
Fire throughout time
Hominids (genus Homo) appeared in Eastern Africa about 2.5 million years ago and fire has been linked closely with many stages of evolution.
It is thought that the ability to cook food led to the rise of homo erectus from its more primitive forebearers.
Cooked food supplies much more energy than raw food and appears to create a delay in food consumption. This may have given time to develop social skills, such as sitting around the campfire.
Cooked food also detoxifies potentially harmful bacteria. This led to an increase in diversity of food available.
It is thought that the use of fire to cook food led to the evolution of large brains.
These factors are thought to have prompted the evolution of large brains and bodies, small teeth, modern limb proportions and other human traits, including many social aspects of human-associated behaviour (Wrangham et al. 1999). Indeed, by softening food, fire could have had a large effect on extending the human life span beyond the age of good-quality teeth. This may have been very significant in social organization, including the “grandmother” hypothesis relating child care with social development and human evolution (Hawkes 2004).
These early hominids spread out of Africa, distributing their available fire technology. Fire promoted the dispersal of humans by allowing them to colonize colder environments and by protecting them from predators. There is evidence of the controlled use of fire by Homo erectus in Africa, from Oldowan hominid sites in the Lake Turkana region of Kenya. The earliest noncontroversial evidence out of Africa is from Gesher Benot Ya'aqov in Israel, during the Early-Middle Pleistocene (0.79 mya; (Goren-Inbar et al. 2004). The detailed analysis of this archaeological site from the Gesher Benot Ya'aqov in Israel, demonstrates that fire was used throughout the occupational sequence (about 100,000 years), suggesting that the knowledge these hominids had of fire making enabled them to set fire at will and in diverse environmental settings (Alperson 2008).
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