write a short note on stating the stages of evolution of mankind
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Evolution involves the gradual changes from simple to more complex forms. Humans are believed to have developed from simpler forms. The evolution is hypothesized to have begun in the oceans billions of years ago. Darwin gave the theory of evolution. In his book -The Origin of Species, Darwin has stated that evolution has come through a series of natural selection. The theory emphasized the following points:
Natural Selection
Variation
Struggle To Exist
Survival of the Fittest
Evolution is the outcome of the interaction between the following five processes:
Mutation
Genetic Recombination
Chromosomal Abnormalities
Reproductive isolation
Natural Selection
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