Darwin Evolution Population Evolution Selection
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Slide 1
Slide 2
Slide 3
Darwin
Slide 4
Evolution
Slide 5
Population Evolution
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Selection
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Speciation
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Patterns of Evolution
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Slide 10
What did Darwin call Natural Selection
Slide 11
Survival of the Fittest
Slide 12
The process where the breeder selects the best trait is called?
Slide 13
Artificial Selection
Slide 14
What is the name of the book that Darwin wrote?
Slide 15
The Origin of Species
Slide 16
Hutton & Lylle both said what about the formation of the earth?
Slide 17
The earth is millions of years old/the earth was formed by geologic forces
Slide 18
The 2 guys that came up with a mathematical equation that can predict allele frequencies?
Slide 19
Hardy & Weinberg
Slide 20
All of the genes in a population is called?
Slide 21
Gene Pool
Slide 22
Name 2 sources of genetic variation.
Slide 23
Mutations Crossover (Gene Shuffling)
Slide 24
Any organ that is reduced in function that may have been used by an ancestor?
Slide 25
Vestigial Organ
Slide 26
Body structures that are similar in structure and function?
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Homologous Structures
Slide 28
Body structures that are similar in function but different in structure are called?
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Analogous Structures
Slide 30
A trait controlled by more than one gene is called?
Slide 31
Polygenic Trait
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A random change in allele frequencies over the generations is called?
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Genetic Drift
Slide 34
When allele frequencies remain constant it is called?
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Genetic Equalibrium
Slide 36
What occurs when allele frequencies in a group of migrating individuals are by chance not the same as that of the original population?
Slide 37
Founder Effect
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What effect can happen when a populations numbers undergoes a drastic decrease?
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Bottleneck Effect
Slide 40
Where individuals with favorable traits survive & pass on those traits to their offspring?
Slide 41
Natural Selection
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When natural selection favors one extreme phenotype or the other.
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Directional selection
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When natural selection doesnt favor either extreme phenotype.
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Stabilizing selection
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When natural selection favors both extreme phenotypes.
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Disruptive selection
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What are the 5 conditions to maintain genetic equilibrium
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1.Must be random mating 2.Must have a large pop. Size 3.No movement of genes 4.No mutations 5.No Natural selection
Slide 50
The evolution of a new species
Slide 51
Speciation
Slide 52
When 2 populations become separated by a geographic barrier (river, mtn. etc)
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Geographic Isolation
Slide 54
When a species doesnt recognize another species as a mate because it didnt do the correct mating dance or call or make the correct display
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Behavioral Isolation
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When 2 species mate at different times
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Temporal Isolation
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When members of a population can no longer interbreed with the rest of the population is called?
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Reproductive Isolation
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Large scale evolution that takes place over a long period of time
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Macroevolution
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What percentage of species that lived on earth have become extinct?
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99%
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Where two or more species originate from one species called a common ancestor.
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Divergent Evolution
Slide 67
Where 2 different species evolve in response to one another.
Slide 68
Coevolution
Slide 69
What is it called when 2 different species inhabit similar environments and evolve similar traits.
Slide 70
Convergent Evolution
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