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Chapter 18: Population Genetics & Evolution - Coggle Diagram
Chapter 18: Population Genetics & Evolution
Concepts
evolution: extremely slow process that may require thousands of generations and millions of years
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Geological Evolution
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Christian ideals
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Population Genetics
Gene Pool
Factors that cause the gene pool to change
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mutations
accidents
artificial selection
natural selection
Factors not part of natural selection
purpose
intention
planning
voluntary decision making
Situations in which natural selection does not operate:
identical genetics
no competition
Multiple Selection Pressures
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mutations
multiple alleles
Rates of Evolution
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evolutionary changes
mutations disrupted
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New species
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Speciation
phyletic speciation
Gene flow
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Pollen Transfer
Seed Dispersal
Vegetative Propagation
divergent speciation
reproductively Isolated
Abiological reproductive barrier
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Allopatric/geographic speciation
Biological reproductive barriers
sympatric speciation
prezygotic isolation mechanisms
Postzygotic internal isolation barriers
hybrid sterility
hybrid inviability
adaptive radiation
founder individuals
founder
genetic drift
Convergent Evolution
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Evolution & the Origin of Life
Chemosynthesis
Conditions on Earth Before the origin of life
chemicals present in atmosphere
second atmosphere
reducing atmosphere
energy resources
UV & Radiation from the Sun
heat
electricity
volcanoes
Chemicals produced Chemosynthetically
Formation of Polymers
Aggregation & Organization
Early Metabolism
oxygen
Presence of Life
Box 18-1
Population concept of species
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Type concept of species
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Box 18-2
Zoos, botanical gardens, & genetic drift
Box 18-3
“Types”
God created various types of plants
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Box 18-4
Life on Mars search