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CHAPTER 18, Cross link between Gene pool and mutation; mutation provides…

- - - - Purpose
      - intention
      - planning
      - voluntary decision making
    - - Mutation
      - Accident
      - Artificial selection
      - Natural slelection
    - - Loss of individual
      - reduced reproduction
      - Single factor
      - pathogenic fungus
    - - Multiple Selection Pressure
        
        improve fittness
        
        pleiotropic effects
        
        Hardiness allele
        
        side effects
        
        Selection pressure
  - - - Gene Flow
      - pollen transfer
      - Seed Dispersal
      - Vegetative Propagation
      - genetic recombination
    - - Abiological reproductive barriers
      - allopatric
      - geographic specification
      - Biological reproductive barrier
      - sympatric speciation
      - prezygotic isolation mechanism
      - postzygotic internal isolation barrier
      - hybrid sterility
      - hybrid inviability
      - Adaptive radiation'
      - Founder individual
      - genetic drift
      - environmental diversity
      - Mutation #
    - - Unrelated species
      - similar habitats
      - natural selection
      - adapted means
      - phenotype
  - - - Before origin
      - Chemicals #
      - second atmosphere
      - reducing atmosphere
      - rock matrix
    - - time availability
      - origin of life
      - energy sources
    - - nitrogeneous bases
      - Amino acids
      - monomers
      - nucleic acids
    - - Oparin and Haldane
      - chemosynthetic hypothesis
      - reducing atmosphere
      - theoretically possible
    - - high concentration
      - Numerous mechanisms
      - concentrated reactant
      - seas side pool
      - Primitive catalyst
    - - Hydrophilic sites
      - chemical evolution
      - hydrophobic material
    - - the right inorganic chemicals
      - appropriate energy source
      - great deal of time
      - absence of oxygen