The process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography (habitats) is called adaptive radiation.
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25.
Define gene migration.
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26.
What is genetic drift ?
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27.
Name three types of natural selection.
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28.
Name the age and give the year during which the modern man arose ?
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29.
What is the scientific name of Java man ?
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30.
Which between the two was more man like Dryopithecus or Ramapithecus