Question:

Correct order is

Updated On: May 13, 2024
  • palaeozoic > archaeozoic > coenozoic
  • archaeozoic > palaeozoic > proterozoic
  • palaeozoic > mesozoic > coenozoic
  • mesozoic > archaeozoic > proterozoic.
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The Correct Option is C

Solution and Explanation

The first geological time scale was developed by Giovanni Avduina, Italian scientist in 1760. The history of the earth has been divided into a number of major divisions called eras. The eras are sub-divided into periods. The modern periods are further divided into epochs. There are four eras. The correct sequence is Precambrian Palaeozoic (era of ancient life) '> Mesozoic (era of medieval life) >> Coenozoic (era of modem life).
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Concepts Used:

Evolution

Evolution is a process that occurs in changes in the genetic content of a population over time. Evolutionary change is generally classified into two: microevolution and macroevolution. The process of changes in allele frequencies in a population over time is a microevolutionary process. Three main mechanisms that cause allele frequency change are natural selection, genetic drift, and gene flow. On the other hand, macroevolution refers to change at or above the level of the species.