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population genetics and evolution (evolution and the origin of life…
population genetics and evolution
outline
concepts
population genetics
factors that cause the gene pool to change
situations in which natural selection does not operate
multiple selection pressures
rates of evolution
speciation
phyletic
divergent
convergent
evolution and the origin of life
conditions on the earth before the origin of life
chemicals produces chemosynthetically
formation of polymers
aggregation and organization
early metabolism
oxygen
the presence of life
concepts
evolution
natural selection
population genetics
different alleles within a population
gene pool
factors that cause the gene pool to change
mutation
accidents
meteorites
floods
droughts
volcanic eruption
natural disasters
artificial selection
natural selection
most significant factor
factors that are not part of natural selection
purpose
intention
planning
voluntary decision making
situations in which natural selection dies not operate
multiple selection pressures
rates of evolution
speciation
natural selection caused a new species to evolve
phyletic speciation
species is so changed it is new species
gene flow
pollen transfer
seed dispersal
vegetative propagation
divergent speciation
populations of species evolve to new species
reproductively isolated
abiological reproductive barriers
allopatric
or geographic speciation
biological reproductive barriers
sympatric speciation
prezygotic isolation mechanisms
postzygotic internal isolation barriers
hybrid sterility
hybrid inviability
adaptive radiation
founder individual(s)
founder
genetic drift
convergent evolution
evolution and the origin of life
chemosynthesis
conditions on earth before the origin of life
chemicals present in the atmosphere
second atmosphere
4.6 billion yrs ago
reducing atmosphere
energy sources
time available for the origin of life
chemicals produced chemosynthetically
formation of polymers
aggregation and organization
early metabolism
oxygen
the presence of life
