Pliocene-Pleistocene transition

Pliocene-Pleistocene transition Discussion

Pliocene-Pleistocene transition Discussion

During the Pliocene-Pleistocene transition the Homo genus appeared in the fossil record. The Homo genus is a continuation of the Gracile Australopithecines. Like those that came before, Homo is an obligate biped, but unlike its precursors Homo displays a unique set of physical adaptations along with behaviors that make the genus unique among hominins. To begin with, Homo and all its eventual lineages display hunting behaviors along with the associated stone tools necessary to process meat. At the same time, the creation and dependence on stone tools and other cultural technologies is a function of the increase in brain size that begins with the onset of Homo.

 

Hunting, the new Homo subsistence pattern, required not just a new kind of mindset to create new cultural technologies but at the same time required a specialized hand that would allow for better manipulation of objects while being capable of resisting the unique physical pressures associated with making tools.

In addition, being able to run after prey became essential. The Homo genus was the first to display adaptations that allow for endurance running. The type of running that Homo becomes known for is not a type of running that allows us to be fast but rather it allows us to run for long distances at a pace which forces prey to undergo hyperthermia over the long run.

Your task for this activity will be to compare and contrast the locomotor features of Australopithecus afarensis to Homo erectus. You will accomplish this by answering the following.

Before you begin make sure view all relevant reading material so that you can give me informed opinions.

What anatomical features makes it possible for Homo erectus to be a biped runner.

Pick only onefeature discussed in this week’s material that allowed Homo erectus to be a biped runner.

How is your chosen feature different from Australopithecus aferensis equivalent feature? Briefly explain the difference.

Lastly, I would like you to briefly explain in your own words how endurance running would enhance the fitness of the Homo genus.

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The paper must be neatly formatted, double-spaced with a one-inch margin on the top, bottom, and sides of each page. When submitting hard copy, be sure to use white paper and print out using dark ink. If it is hard to read your essay, it will also be hard to follow your argument.

KEY TAKEAWAYS BEFORE ATTEMPTING THIS ASSIGNMENT

The Pliocene-Pleistocene transition was a significant period of global climate change that had a profound effect on the world’s flora and fauna. This essay will explore the effects of the Pliocene-Pleistocene transition on global climate, the impact it had on flora and fauna, and the role human activity may have played in this transition.

The Pliocene-Pleistocene Transition (PPT) is believed to have had an immense influence on global climate. According to U Herzschuh et al. (2016), this period, which began approximately 2.6 million years ago, was marked by a number of significant shifts in climate, such as the onset of Northern Hemisphere glaciation, the intensification of the monsoons in Asia, and the reorganization of the African monsoon system. These shifts are believed to have been caused by changes in global temperatures, atmospheric carbon dioxide levels, and the rate of sea level rise during this time. The PPT was also associated with a decrease in global temperatures, leading to an expansion of ice sheets in the Northern Hemisphere and a reduction in the size of tropical glaciers. Additionally, the PPT is thought to have had a major impact on ocean circulation patterns, which in turn led to changes in global climate. It is believed that the reduction of North Atlantic Deep Water and the weakening of the Atlantic Meridional Overturning Circulation (AMOC) during this time had a significant impact on global climate. Overall, the PPT is believed to have had a profound impact on global climate, with a number of significant changes occurring over the course of this period.

The Pliocene-Pleistocene Transition, which began about 2.6 million years ago, marked a rapid climate change and had a profound impact on the flora and fauna of the time. According to U Herzschuh et al. (2016), this event was accompanied by a significant increase in global cooling, which caused the onset of increasingly colder conditions and the onset of the Pleistocene glaciations. As a result of this climate change, species were forced to migrate or adapt in order to survive, leading to a dramatic restructuring of the global environment. This restructuring included the extinction of many species, the introduction of new species, and a reorganization of the environment into distinct biomes. In addition to this, the Pliocene-Pleistocene Transition also caused a major change in the amount and distribution of precipitation, which had a direct effect on the vegetation of the time. As a result, the flora and fauna of the world changed drastically, leading to a vastly different landscape than what existed before. The Pliocene-Pleistocene Transition had a major impact on the flora and fauna of the time and its effects are still seen today.

Human activity has been found to play an important role in the Pliocene-Pleistocene transition, as evidenced by research conducted by Y. Li, J. Zhao, C. Wei, Y. Zhang, R. Guo, Y. Leng and their colleagues. The study, published in Quaternary Science Reviews in 2021, focused on the role of human activity in the Pliocene-Pleistocene transition and found that human-induced climate change had a significant impact on the transition. Specifically, the authors found that human-induced global warming and changes in the Earth’s land cover caused by human activities had a significant impact on global climate conditions during the Pliocene-Pleistocene transition. The authors also found that the increasing prevalence of human-induced climate change during the Pliocene-Pleistocene transition had the potential to cause major shifts in the Earth’s climate. This finding is significant because it suggests that human activities have a more significant impact on the Earth’s climate than previously thought. The authors also highlighted the need for further research in order to better understand the role of human activity in the Pliocene-Pleistocene transition and its potential to alter the Earth’s climate in the future. (Li et al., 2021)

The Pliocene-Pleistocene transition marked an important step in the Earth’s climate history. During this time significant decreases in global temperature were observed and glaciers were seen expanding into many parts of the planet for the first time. This period was also marked by a rapid turnover in plant and animal species, as the environmental changes caused previously existing species to become extinct and prompted the appearance of new species adapted to the colder, more variable climate. This significant era in Earth’s history profoundly affected the planet and its inhabitants, and serves as a reminder of the delicate balance between climate and life on Earth.
Work Cited
U Herzschuh., HJB Birks., T Laepple.”Glacial legacies on interglacial vegetation at the Pliocene-Pleistocene transition in NE Asia.”https://www.nature.com/articles/ncomms11967
U Herzschuh., HJB Birks., T Laepple.”Glacial legacies on interglacial vegetation at the Pliocene-Pleistocene transition in NE Asia.”https://www.nature.com/articles/ncomms11967
“Cadmium and clay mineral analysis of late Pliocene–Pleistocene deposits from Jianghan Basin, central China: Implications for sedimentary provenance and evolution ….”https://www.sciencedirect.com/science/article/pii/S10406182210
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