How Different Are Modern Humans From Homo Sapiens Who Walked the Earth 300,000 Years Ago, If We Belong to the Same Species? — Here’s What Scientists Think

It is estimated that the modern human species has existed for 200,000 to 300,000 years, but that amount of time has changed us a lot. So, how exactly are we different from the humans of the past? Some of the earliest fossils showed that we anatomically looked the same, but there are still some significant differences.

But, if we are still considered as the same species as these humans who walked the earth hundreds of thousands of years ago, then how different could we be? So, let’s explore what was the same, what made us different, and how modern humans are unique from our ancient ancestors.

What Did Early Homo Sapiens Look Like?

Fossils found at various timelines show that early Homo sapiens were already recognizable as humans. One of the earliest examples was the fossils of our species found in Morocco, Jebel Irhoud fossils. It was dated to be around 300,000 years old. Their face is surprisingly similar to that of modern humans; however, they had a longer braincase and were not as fully rounded as humans today.

Scientists estimate that the stature of Homo sapiens around this time was already fully adapted for walking long distances in an upright position. Their height differs depending on their diet and environment, and it has also fluctuated over time across different populations, including modern humans.

Generally, the faces of earlier Homo sapiens were broader, and their chins were not as prominent as ours. But over thousands of years, our species developed to have a rounder skull, flatter faces, and protruding chins. In other words, at first glance, they might look like us, but a more discerning eye would notice the differences.

Read more: Smithsonian Magazine

How Did Early Homo Sapiens Live?

The complex evolution of homo sapiens - 1,000,000 to 30,000 years ago

To understand what could be the causes of differences between the Homo sapiens of today and the past, we have to know how early humans lived. Around 300,000 years ago, farming was not yet invented, and the way of life of most populations was usually hunting and gathering.

By this time, Homo sapiens were already adept at using stone tools, which were first started and developed almost 2 million years ago by other hominin species like Homo habilis and Homo erectus. These tools were used to hunt animals and process plants and fruits.

Since farming and agriculture did not exist yet, they did not live in permanent homes and would often move from one place to another in search of a better environment with more abundant resources. They would follow herds of animals or green corridors marked by vegetation. So, the use of caves and open camps is the usual choice of shelter.

This meant that life was dangerous and there were threats coming from wild predators, harsh weather, and competitors like other groups of Homo sapiens or completely other human species. Even though their technology is not as advanced, they are capable of planning the hunt, gathering food, sharing knowledge, and making tools. These are all important steps toward becoming the humans of today.

What About Culture, Language, and Art?

One of the biggest differences between Homo sapiens today and in the past is not their anatomy, but their culture. The early humans may have possessed some form of language, but it is not anywhere near as complex as what it is today. However, they did still use symbols, carvings, and later cave art to express themselves.

These seeds of ideas and culture are what modern humans used as a foundation to build on. Today, we have complex languages with thousands of words and countless meanings, as we are able to combine words to create a whole new set of meanings to communicate. We have music, religion, advanced technology, and global culture because of the earlier humans.

This is because our species, Homo sapiens, is capable of passing down its culture and knowledge to the next generations. It allowed for continuous refinement and accumulation of inventions over time. New ideas build on older ones rather than starting over again.

This process enabled the breathtaking speed of cultural and technological advancement. It is also why we are so different in terms of culture, like in the field of music, language, arts, technology, and other traditions, from the earlier humans, because we built upon their ideas, until the development became so advanced that it made us unique.

Read more: Australian Museum

How Did We Change Over Time?

How Different Are You From Ancient Humans?

So, how did we achieve all those differences that are not only about our biology? The main reason is most likely adaptation and learning. Homo sapiens, as hunter-gatherers, spread all over the world, from Africa to Asia, Europe, and the rest. We were able to learn how to survive as a group in all kinds of environments, like deserts, open savannas, woodlands, mountains, and frozen tundras.

Over time, our tools became more advanced. The stone tools we used to cut animal meat and crush their bones for marrow became projectile weapons like spears to hunt large animals like mammoths more safely and efficiently. With better technology, our diet has become richer and diverse, which has allowed the development of our brains and other parts.

Soon, the spears became bows and arrows, then into farming tools, until we arrived at the age of machines. Our social groups 300,000 years ago were made by a smaller population, likely an extended family or a close-knit group. This strategy of being together helped us survive, so later down the line, after the agricultural revolution, our groups became villages, then cities, then nations and empires.

Author's Final Thoughts

So, how different are we from Homo sapiens who lived 300,000 years ago? Genetically and biologically, we may still be almost the same as the humans who have existed in the past. Our body types and brain sizes are not significantly different. However, our culture, language, and technology are all transformed in ways early humans would never have imagined.

But, it is important to remember that earlier Homo sapiens were the ones who laid the foundations for the modern people of our species to thrive. They learned to use tools, fire, and teamwork. From those beginnings, over time, we improved our art, cities, science, and technology. So, the story of our species viewed through the lens of two different timelines is not just about survival, but about growth, culturally and as a species.

Read next: Were the First Humans, such as Homo habilis and Other Early Hominins, Really Apex Predators Or Were They Still Prey? — Here’s What Scientists Found Out

References & Further Reading

Hublin, J. J., et al. (2017). New fossils from Jebel Irhoud, Morocco and the pan-African origin of Homo sapiens. Nature. https://doi.org/10.1038/nature22336

Smithsonian National Museum of Natural History. (2022). What does it mean to be human? – Early Homo sapiens. https://humanorigins.si.edu/evidence/human-fossils/species/homo-sapiens

Scerri, E. M. L., et al. (2018). Did our species evolve in subdivided populations across Africa, and why does it matter? Trends in Ecology & Evolution. https://doi.org/10.1016/j.tree.2018.05.005

Richter, D., et al. (2017). The age of the Jebel Irhoud (Morocco) hominin fossils and the origins of the Middle Stone Age. Nature. https://doi.org/10.1038/nature22335