Question

How were the travels of primitive man different from that of the modern man?

Answer 1

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1. The primitive man travel on foot and take lot of time to travel
2. The modern man use modern marvels like cars to travel and save lot of its precious time.

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Answer 2

The two key models have been put forward to explain the evolution of homosapiens.They are the out of Africa model and the multi-regional model.

Explanation:

• The out of africa model is currently the most widely accepted model.
• It proposes that homo sapiens evolved in africa before migrating across the world.
• The multi regional model proposes that the evolution of homo sapiens took place in a number of places over a long period of time.
• Homo sapiens or human being belongs to the class mammalia which is evolved from an extinct species of fish called tiktaaliks.
• It is very difficult for a common man to believe on this theory but there are authentic evidences which prove the evolution of man from fish.
• The circumstances which caused the tiktaaliks to migrate from ocean to the land include predation and lack of food.
• This theory was proved by the confirmation of hox genes both present in fish and mammals.
• Hox genes is a subset of homeotic genes, are a group of related genes that control the body plan of an embryo along the head tail axis.

To Learn more...

1.How were the travels of primitive man different from that of the modern man?

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2.How were the travels of primitive man different from that of the modern man?

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