• S. S. Shvarts
Part of the Studies in Soviet Science book series (STSS)


Ecological analysis of different stages of the phylogenetic development of animals (intraspecific formations, speciation, macroevolution) shows that evolution is the single process of the progressive adaptation of organisms to the environment, which consists of the perfected utilization of vital resources with the least expenditure of energy and of the progressive expansion of life on the land and waters of the earth.


Natural Selection Genetic Structure Reproductive Isolation Genetic Makeup Evolutionary Ecology 
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Copyright information

© Consultants Bureau, New York 1977

Authors and Affiliations

  • S. S. Shvarts
    • 1
  1. 1.Urals BranchAcademy of Sciences of the USSRSverdlovskUSSR

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