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Pop gen and Ecosysems (structure of populations (r- and K- Selection (r-…

- - - - limiting factor
    - - distribution
        
        random
        
        no pattern
        
        clumped
        
        average spacing
        
        uniform
        
        evenly spaced individuals
        
        via plant chemicals
        
        alleochemicals
        
        inhibition
        
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  - - - generation time
        
        birth of individual
        
        to
        
        reproduction
      - intrinsic rate of natural increase/ Biotic potential
        
        Number of offspring produced
        
        by
        
        individual
  - - - K
  - - - r-selected species
      - disturbances r conditions
    - - K-selected species
- - - - C
  - - - species
        
        coexist
  - - - primary comsumers
        
        secondary consumers
        
        etc Consumers
        
        decomposers
        
        herbivors
        
        omnivores or carnivores
      - plants
    - - carbon flow
- - - - remains same
      - decreases
      - increases
    - - presence
        
        Genotype
        
        alleles of an individual
        
        phenotype
        
        expression
    - - total number of alleles
        
        population
      - changes caused by
        
        mutation
        
        Mutations
        
        any change in DNA
        
        types
        
        point
        
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        deletion
        
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        insersion
        
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        inversion
        
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        somatic
        
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        causes
        
        mutagen causes mutations
        
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        effects
        
        may have no effect
        
        may have negative effect
        
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        rarely have positive effect
        
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        DNA repair # #
        
        enzymes minimize chance of mutations
        
        must neither be
        
        too effective
        
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        too efficient
        
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        accidents
        
        events
        
        organism
        
        cannot adapt
        
        phenomena
        
        large
        
        small
        
        selection
        
        artificial
        
        purposful change in
        
        allele frequency
        
        selective breeding
        
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        done in conjunction with
        
        artificial mutation
        
        increase new allleles
        
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        natural #
        
        most significant factor in
        
        gene pool changes
        
        "Survival of the fittest"
        
        fit
        
        survive
        
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        unfit
        
        perish
        
        competition
        
        unrelated factors
        
        purpose
        
        intention
        
        planning
        
        voluntary decision making
  - - - ranges in variation
        
        all species
    - - species biased on types
- - - - community
        
        ecosystem
        
        addition of
        
        physical/nonliving environment
        
        all populations
      - all individuals of a species
- - - - organism's life cycle
      - factors
        
        abiotic
        
        nonliving
        
        physical phenomina
        
        climate
        
        tolerance range
        
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        latitude
        
        Sun
        
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        soil
        
        horizons
        
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        altitude
        
        disturbances
        
        floods
        
        avalanches
        
        fires
        
        biotic
        
        factors
        
        plant
        
        other plant species
        
        competition
        
        competitive exclusion
        
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        mutualism
        
        non plant organism
        
        commensal relationship
        
        species 1
        
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        species2
        
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        predation
        
        species1
        
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        species2
        
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        pathogenic
        
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    - - lifestyle