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Questions and Answers
What is the approximate timeline for the beginning of human evolution?
What is the approximate timeline for the beginning of human evolution?
What led to the formation of new species according to the text?
What led to the formation of new species according to the text?
What is responsible for the disappearance of tails in monkey-like creatures around 4 crore years ago?
What is responsible for the disappearance of tails in monkey-like creatures around 4 crore years ago?
Why is the study of fossils important in the study of evolution?
Why is the study of fossils important in the study of evolution?
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What marked the emergence of true wise and intelligent man according to the text?
What marked the emergence of true wise and intelligent man according to the text?
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Study Notes
Human Evolution Timeline
- Human evolution is believed to have begun approximately 6-8 million years ago.
Species Formation
- The formation of new species is attributed to geographical isolation, genetic variation, and adaptation to different environments.
Evolution of Body Features
- The disappearance of tails in monkey-like creatures around 4 crore years ago is attributed to the reduced need for balance in upright posture.
Importance of Fossil Study
- The study of fossils is crucial in the study of evolution as it provides a chronological record of the history of life on Earth, allowing us to understand how species changed over time.
Emergence of Homo Sapiens
- The emergence of true wise and intelligent man, characterized by modern human-like features, is marked by the discovery of Homo sapiens fossils around 50,000-70,000 years ago.
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Description
Test your knowledge of heredity and evolution with this quiz. Complete a diagram, read statements about human evolution, and justify the statements with examples.
