Scientific Theory of Human Origin
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1. Describe briefly the scientific theory about human origin
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In this exercise, we are asked to describe briefly the scientific theory about human origin. This is a fascinating journey through time and biological change.
Scientific Theory of Human Origin
The primary scientific explanation for where humans came from is Charles Darwin's Theory of Evolution through Natural Selection.
The Theory of Evolution
This theory suggests that modern humans did not appear suddenly, but evolved over millions of years from common ancestors shared with great apes.
Let's look at the key stages of this evolution. It all began in Africa several million years ago.
Key Evolutionary Stages
| Timeline | Key Hominid Groups |
|---|---|
| 7 - 4 Ma | Earliest Hominids (e.g., Sahelanthropus) |
| 4 - 2 Ma | Australopithecus (e.g., 'Lucy') |
| 2.4 - 1.4 Ma | Homo habilis ('Handy Man') |
| 1.9 Ma - 100k | Homo erectus (Upright travel) |
| 300k - Present | **Homo sapiens** (Modern Humans) |
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