companydirectorylist.com  Global Business Directories and Company Directories
Search Business,Company,Industry :


Country Lists
USA Company Directories
Canada Business Lists
Australia Business Directories
France Company Lists
Italy Company Lists
Spain Company Directories
Switzerland Business Lists
Austria Company Directories
Belgium Business Directories
Hong Kong Company Lists
China Business Lists
Taiwan Company Lists
United Arab Emirates Company Directories


Industry Catalogs
USA Industry Directories














  • Evolution - Wikipedia
    The scientific theory of evolution by natural selection was conceived independently by two British naturalists, Charles Darwin and Alfred Russel Wallace, in the mid-19th century as an explanation for why organisms are adapted to their physical and biological environments
  • Evolution | Definition, History, Types, Examples | Britannica
    Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations
  • Theory of Evolution - National Geographic Society
    Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection In the theory of natural selection, organisms produce more offspring than are able to survive in their environment
  • Evolution | Oxford Academic
    Contemporary evolution allows us to investigate how natural selection drives phenotypic and genotypic evolution in nature Recent advances in molecular genetics have identified causative genes underlying adaptive traits, enabling estimation of selection coefficients at these loci
  • An introduction to evolution
    This definition encompasses everything from small-scale evolution (for example, changes in the frequency of different gene versions in a population from one generation to the next) to large-scale evolution (for example, the descent of different species from a shared ancestor over many generations)
  • Evolution - Latest research and news | Nature
    Testing these predictions experimentally will help us understand how evolution operates in neural circuits
  • 进化(生物学名词)_百度百科
    进化(英文名:Evolution),又称演化,指生物种群遗传性状在世代间的变化,其实质为种群基因频率的改变。
  • Introduction to evolution - Wikipedia
    Evolution is the principal scientific theory that biologists use to understand life and is used in many disciplines, including medicine, psychology, conservation biology, anthropology, forensics, agriculture and other social-cultural applications




Business Directories,Company Directories
Business Directories,Company Directories copyright ©2005-2012 
disclaimer