- Latin:
- “upright man”
- Related Topics:
- Java man
- Peking man
- Solo man
- Dali cranium
- Koobi Fora remains
Homo erectus
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What is Homo erectus?
Homo erectus is an extinct hominin species believed to be an ancestor of modern humans (Homo sapiens). They likely originated in Africa but dispersed quickly throughout the African tropics, Europe, South Asia, and Southeast Asia around 1.9 million years ago.
H. erectus were humans of medium stature that walked upright. They had smaller brains and larger teeth than modern humans. Homo erectus appears to have been the first human species to control fire and may have been hunters. They lived on the ground, created tools, and lived in bands. The species flourished until about 200,000 years ago before other humans, including Homo sapiens, appeared.
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When and where did Homo erectus live?
Homo erectus, an extinct hominin species and possible ancestor of modern humans, likely originated in Africa, though Eurasia can't be ruled out. The species dispersed quickly, starting about 1.9 million years ago, across the African tropics, Europe, South and Southeast Asia.
Fossil evidence has been found at Koobi Fora (1.7 million years ago), Olduvai Gorge (1.2 million years ago), and Tighenif in Algeria (800–600 thousand years ago). Fossils have also been found at Zhoukoudian in China (770–230 thousand years ago), and Sambungmacan and Ngandong (Solo) in Java (less than 250 thousand years ago).
Homo erectus may have been the first human species to control fire and to create art.
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How did Homo erectus look different from modern humans?
Homo erectus differed from modern Homo sapiens in several ways. The Homo erectus skull had a smaller brain capacity, averaging less than 1,000 cubic centimeters, compared to the modern Homo sapiens, whose brain capacity averages around 1,350 cubic centimeters.
Other differences in skull structure include the Homo erectus face, which was more massive with projecting lower parts, a flattened forehead, thick skull bones, and a strongly jutting browridge over the eye sockets. In contrast to earlier hominins, Homo erectus had a more prominent nose, suggesting an adaptation for moisture conservation in arid environments.
The Homo erectus skeleton was more robust, indicating a physically demanding lifestyle, but overall body structure was comparable to modern humans. Homo erectus walked upright efficiently, and the height of one Homo erectus boy is estimated to have reached 180 cm (6 feet).
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What kind of tools did Homo erectus use?
Homo erectus used tools from the Acheulean industry, characterized by stone tools with good fracture qualities such as jasper and flint. The most recognizable Homo erectus tools are cleavers and hand axes.
The earliest hand axes discovered with Homo erectus at Olduvai Gorge in Tanzania were primitive pointed bifaces. These were made by hitting a core against a hard stone to remove chips from both sides, creating a wavy cutting edge all around. Later, they used a hammerstone to flake away at the core's surface to form an oval tool with straighter edges. Bone or wood hammers were later used to create smoother tools with sharper, straighter edges by removing smaller, flatter flakes.
In addition to hand axes and cleavers, the Acheulean industry also included choppers and flakes. The flakes were created from a prepared core and could be used as knives without further modification, or they could be chipped to create side-scrapers, burins, and other tools.
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How did Homo erectus survive and adapt to its environment?
Homo erectus, an extinct hominin species, likely originated in Africa and spread to the African tropics, Europe, South Asia, and Southeast Asia around 1.9 million years ago. They lived in open encampments near water sources, as suggested by remains found in stream gravels, river sandstones, and lake beds.
H. erectus adapted to their environment through tool use, hunting, and fire mastery. They crafted stone tools like hand axes and scrapers and consumed meat from hunting or scavenging, supplementing their diet with vegetables. The control of fire aided in colonizing cooler regions, potentially leading to the cooking of food, which reduced the need for large teeth.
While there's no evidence of ritualistic practices like burials, zigzag etchings on a shell suggest the possibility of artistic expression. Homo erectus likely possessed adaptability and evolutionary flexibility, which allowed them to survive in diverse environments.
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Why is Homo erectus important for understanding human evolution?
Homo erectus, an extinct hominin species, holds importance in understanding human evolution due to its unique characteristics and evolutionary advancements. Originating possibly in Africa, Homo erectus dispersed across the African tropics, Europe, South Asia, and Southeast Asia around 1.9 million years ago.
Key reasons for its significance:
* Homo erectus was the first human species to control fire, approximately 1 million years ago.
* The species' brain, body size, and manufactured equipment were superior to those of Australopithecus and H. habilis, and it is believed that their food-collecting techniques, including hunting, were also better.
* H. erectus may have been the first species to create art. Zigzag etchings made on a shell, dating to between 430,000 and 540,000 years ago and found at the Trinil deposit in Java, Indonesia, may be the world’s oldest geometric engravings.While some researchers disagree, Homo erectus, particularly the African representatives sometimes called H. ergaster, fits into a reasonable ancestor-to-descendant sequence showing increases in body size.
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News •
Homo erectus, extinct species of the human genus (Homo), perhaps an ancestor of modern humans (Homo sapiens). H. erectus most likely originated in Africa, though Eurasia cannot be ruled out. Regardless of where it first evolved, the species seems to have dispersed quickly, starting about 1.9 million years ago (mya) near the middle of the Pleistocene Epoch, moving through the African tropics, Europe, South Asia, and Southeast Asia. This history has been recorded directly if imprecisely by many sites that have yielded fossil remains of H. erectus. At other localities, broken animal bones and stone tools have indicated the presence of the species, though there are no traces of the people themselves.
H. erectus was a human of medium stature that walked upright. The braincase was low, the forehead was receded, and the nose, jaws, and palate were wide. The brain was smaller and the teeth larger than in modern humans. H. erectus appears to have been the first human species to control fire, some 1,000,000 years ago. The species seems to have flourished until some 200,000 years ago (200 kya) or perhaps later before giving way to other humans including Homo sapiens.