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Chapter 17: Population Genetics and Evolution (Evolution and the Origin of…
Chapter 17: Population Genetics and Evolution
Rates of Evolution
Population Genetics
Situations in which Natural Selection Does Not Operate
Multiple Selection Pressures
Factors that Cause the Gene Pool to Change
Accidents
organism cannot adapt
Mutation
mutagenic factors
Artificial Selection
Natural selection
Speciation
Divergent Speciation
Abiological Reproductive Barriers
allopatric
geographic speciation
Biological Reproductive Barriers
sympatric speciation
prezygotic isolation mechanisms
hybrid sterility
Adaptive Radiation
founder individuals
genetic drift
Convergent Evolution
Phyletic Speciation
pollen transfer
seed dispersal
vegetative propagation
Evolution and the Origin of Life
Aggregation and Organization
Early Metabolism
Fomation of Polymers
Oxygen
Chemicals Produced Chemosynthetically
The Presence of Life
Conditions on Earth Before the Origin of Life
Energy sources
UV radiation
gamma radiation
Chemicals Present in the Atmosphere
ammonia
methane
hydrogen sulfide
water
Time Available for the Origin of Life
