A) natural selection
B) inheritance of acquired characters
C) omnis cellula e cellula
D) higher productivity
Correct Answer: A
Solution :
Theory of natural selection or Darwinism is an important theory for explaining the process of organic evolution. This theory was put forward by Charles Darwin (1859) in his book Origin of species. The survival of the fittest is a result of selection and proliferation of only those organisms which were most suitably adapted to the environment and most successful in mating (i.e., Natural selection). According to Lamarck the modifications which are acquired due to internal vital force, use and disuse of organs, effect of environment and need during the life time of an individual would inherited by its offspring and accumulate in course of time. R.Virchow gave the dictum Omnis cellula e cellula (all cells arise from preexisting cells).
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