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We survived! – Evolution and Adaptation of Human Beings
Homo sapiens, that is we are the first modern human beings who have evolved from our very own hominid predecessors which happened between 200,000 and 300,000 years ago. We, humans, are the only species who have successfully populated a billion and adapted to the world.
Humans were first born in the African continent. After about 70,000 -1,00,000 years they moved from the same continent. Hence, this is evident that evolution of human beings is a lengthy process. We will start analysing the same study under this content of Homo Sapiens and Early Human Migration.
From Where Did We All Start?
Before starting off with human history, it is better to know where did the first humans appear? When basically all the man-story starts?
Homo sapiens was a part of a group which was known as hominids. Hominids were the earliest human-type creatures. After taking the archaeological and anthropological evidence into consideration, we think that hominids or the Homo Sapiens diverged from other primates approximately between 2.5 and 4 million years ago in the eastern and southern Africa. Thus, we can say that the first human in the world appeared in the African continent.
Theories Supporting the Growth of Early Humans
The brilliant scientists gave various related theories as to why early hominids evolved. The aridity hypothesis, tells that early hominid liked the dry climate of Africa, the climate had well-suited them, thus they evolved in the Africa’s dry savannah regions.
Another theory provided by the savannah hypothesis says that the early tree-dwelling hominids were forced to leave their homes as the environment changed and shrunk drastically.
Hominids or early humans continued to evolve and develop many unique characteristics like their brain capacities were changed and increased. This led to the innovation of simple tools usage some 2.3 million years ago.
Early Human Migration
The human migration is explained in the following pointers:
Between 70,000 and 100,000 years ago, the Homo sapiens started their migration from the African continent and other populated parts of Europe and Asia. They have reached the Australian continent in canoes sometime between 35,000 and 65,000 years ago.
Scientists who are studying landmasses and climatic change claim to know that the Pleistocene Ice Age has created a type of land bridge that will connect Asia and the North American part (now known as Alaska) this was something over 13,000 years ago.
Another migration theory says that people crossed this land bridge and they migrated into North and South America. This was the most accepted theory according to the scientists.
Why the Decision to Migrate?
The early man started to leave their homes. This was another turn in Homosapien history. This can be reasoned out for the development of language which happened around 50,000 years ago, this it allowed the people to make plans and thereby solve problems and organized plans effectively.
Also, the studies do not fully confirm the exact reason why humans first migrated off of the African continent, but their migration was also attributed to the depletion of resources like food and shelter in the African continent.
Where Did Early Humans Live?
We know where did the first human appeared. The first human appeared in Africa, and as known much of the human evolution had occurred on this same continent. Now, the focal question is - where did the early man live? It opens the discussion of the life of the early man there in Africa.
Early human life started to migrate from Africa into Asia, this event took place somewhere between 2 million and 1.8 million years ago. The early man later entered Europe in between 1.5 million and 1 million years.
How Well Did They Adapt There?
After migrating from Africa to other colder climates, they started to make clothing out of the animal skins and also constructed fires to keep themselves warm in the cold weather. They had burned fires quite continuously throughout the winter season.
They were well-equipped with weapons, like spears, bows, and arrows, which allowed them to hunt down large mammals. Also with the changing climates, their hunting methods too changed. They contributed to the extinction of giant land mammals like mammoths and giant kangaroos. Apart from hunting down animals to kill them or for self-defense purposes, they had constructed partial permanent settlements. This led to the growth of agriculture during this time period.
First Human in the World
As known, a “human” is anyone who will belong to the genus Homo (this is the Latin for “man”). One of the earliest known humans is called Homo habilis or the “handyman. He lived about 2.4 million to around 1.4 million years ago. Another human includes the Homo rudolfensis. He had lived in the eastern part of Africa about 1.9 million to 1.8 million years ago. Yet, another man Homo erectus who was known as the upright man ranged from Southern Africa to modern-day China.
When Did Modern Humans First Appear?
Modern humans, that is the wise men are the only surviving species from the genus Homo. Modern humans have originated from Africa, approximately 200,000 years ago and they have evolved as Homo Erectus who migrated from Africa to the rest of the world.
Thus, the evolution of human beings was successful. We are the descendants of our ancestors, probably the Homo Erectus or the Homo rudolfensis or Homo habilis. This was quite a resourceful study which will help the students to know about our amazing birth and development till this day.
Did You Know?
Conclusion
Thus, in this article, we have covered basic information about evolution of early humans and about their migration. It was Africa where traces of early men were found which said that humans have first emerged in Africa. When the climate started becoming dry, early man started moving and thus human migration started. In the beginning, the major reasons for migration were food and shelter.
FAQs on Homo Sapiens and Early Human Migration
1. Define evolution.
Evolution is officially defined as any net directional change or any kind of cumulative change in the characteristics or features of the organisms or the populations which exceed over many generations. Descending with the modification, it includes the origin as well as the spread of variants, trait values, or any character states.
2. Who is considered the father of evolution?
Charles Darwin is accounted as the father of evolution. Charles Darwin gave the theory of natural selection. He had explored in the 19th-century as a naturalist. Charles Darwin’s natural selection tells us that the genetic traits of a species may change over a period of time. As per his theory, the existence of any species depends upon the favourable traits in order to survive in nature.
3. Answer the following questions:
(A.) Where did early humans appear first?
(B.) Why did the early humans migrate from Africa?
(C.) What is the difference between early humans and modern humans?
The answers are given below:
(A.) The early humans were said to have appeared in the continent of Africa. The fossils of early humans are found from Africa which verified this information.
(B.) The early humans had to migrate from Africa to other parts of the world because of change in the temperature and climatic conditions. The climate started becoming dry which led the early humans to migrate.
(C.) The basic difference among the early and modern humans are that the former are known as early hominids and were said to have originated 6 mn years ago whereas the latter, which are known as subspecies of the Homo Sapiens, were said to have emerged 2,00,000 - 100,000 years ago.
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