Discovered the remains of human ancestors are changing our understanding of the evolution of Homo Sapiens

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2019-12-22 01:20:09

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Discovered the remains of human ancestors are changing our understanding of the evolution of Homo Sapiens

This discovery leads researchers to reconsider the views on the course of human evolution

In Indonesia remains of Homo erectus — bipedal. It is believed that Homo erectus became extinct before modern humans evolved. Researchers believe that the results obtained in the course of the work published in the magazine, is confirmed by the data about when it disappeared, these human ancestors. Fossils found at the site of Ngandong, the first excavations which took place in the 1930-ies. Then a team of scientists has discovered 25 thousand fossils, among which 14 belonged to Homo erectus, including 12 skulls and two tibiae, and the rest — animals.

Previous studies discovered fossils in Ngandong was dated differently. This has led to confusion, as some Dating methods showed a figure of 53 thousand years ago, and others — 530. Today, with improved methods of Dating, the researchers were finally able to know the exact time period of extinction. Note that research on this issue started in 2006. Now, by joining forces, scientists finally managed to discover the truth.

Long story

The First fossils on the island of Java in Indonesia was discovered in a place called Trinil in 1891. Since Java was found about 200 fossils. The fossils of Homo erectus in Java, dated to 1.7 million years ago. The determination of the age of the youngest fossil record indicates that Homo erectus walked the Earth longer than thought. Note that Homo erectus — the earliest ancient people proportion of body resembling Homo Sapiens. In addition, the skull of Homo erectus was more than the other ancestors which Homo erectus has been called the most advanced ancient people.

body Proportions of Homo Erectus is similar to modern humans

But if Homo erectus lived much longer than expected, what did they die out? A new study sheds light on this mystery by calling the main cause of climate change. The fact that the remains of Homo erectus have been found with a collection of fossils of animals that lived in an open forest environment, similar to Africa. Over time the environment in Ngandong changed and open forests replaced tropical forest. After these events, no remains of Homo erectus were found, which suggests that Homo erectus probably was not able to adapt to .

Mass extinction?

Another intriguing research is the question of possible massive loss of life and . A large number of remains washed up by a flood to the place where they were found. Researchers do not know what caused this event, but given climate change in this region, there are many theories, including a landslide caused by a volcanic eruption. As CNN News, this discovery changes our view on how the Homo erectus and human evolution.

Excavations on the island of Java

In General, Homo erectus disappeared from the face of the Earth 108 — 117 thousand years ago. The new timeline helps to establish that Homo erectus met Homo Sapiens, as modern humans emerged in Java to 35 thousand years ago. But it talks about the possibility of interaction with others : for example Homo denisovan — mysterious ancient human ancestor, known only by the few bones. However, the authors of the study believe that the exact date of the disappearance of Homo erectus is difficult to prove. A small group of Homo erectus may have lived longer, but left no traces.

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