The Origin of Species Species Biological Species Ring

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The Origin of Species

The Origin of Species

Species Biological Species

Species Biological Species

Ring Species

Ring Species

Barriers Prezygotic Habitat Isolation Behavior Isolation Temporal Isolation Mechanical Isolation Gametic Isolation Postzygotic Hybrid

Barriers Prezygotic Habitat Isolation Behavior Isolation Temporal Isolation Mechanical Isolation Gametic Isolation Postzygotic Hybrid Sterility Hybrid Inviability Hybrid Breakdown

Habitat Isolation

Habitat Isolation

Behavior Isolation

Behavior Isolation

Behavior Isolation

Behavior Isolation

Temporal Isolation

Temporal Isolation

Mechanical Isolation

Mechanical Isolation

Gametic Isolation

Gametic Isolation

Hybrid Sterility

Hybrid Sterility

Hybrid Inviability

Hybrid Inviability

Hybrid Breakdown

Hybrid Breakdown

Modes of Speciation

Modes of Speciation

Allopatric Speciation

Allopatric Speciation

Adaptive Radiation

Adaptive Radiation

Sympatric Speciation Autopolyploidy

Sympatric Speciation Autopolyploidy

Sympatric Speciation Allopolyploidy

Sympatric Speciation Allopolyploidy

Macroevolution

Macroevolution

Gradualism Also called “Neodarwinism” Small changes over time Supporter: Ernst Mayr

Gradualism Also called “Neodarwinism” Small changes over time Supporter: Ernst Mayr

Punctuated Equilibrium Supporters: Niles Eldredge & Stephen J. Gould Speciation occurs in episodic events

Punctuated Equilibrium Supporters: Niles Eldredge & Stephen J. Gould Speciation occurs in episodic events – large periods of time with little change and short periods of time with large changes

Origin of Evolutionary Novelty Most novelties are modified versions of older structures preadaptation

Origin of Evolutionary Novelty Most novelties are modified versions of older structures preadaptation

“Evo-devo” Evolutionary Biology and Developmental Biology working together

“Evo-devo” Evolutionary Biology and Developmental Biology working together

Homeotic Genes Hox Genes- position information

Homeotic Genes Hox Genes- position information

Evolutionary Trends Evolutionary trends are not goal oriented

Evolutionary Trends Evolutionary trends are not goal oriented

Adaptive Radiation The emergence of numerous species from a common ancestor introduced into an

Adaptive Radiation The emergence of numerous species from a common ancestor introduced into an environment, presenting a diversity of new opportunities and problems

Token Ring and FDDI Networks Token Ring andToken Ring and FDDI Networks Token Ring and
WDM ring networks WDM ring networks Unidirectional ringsWDM ring networks WDM ring networks Unidirectional rings
What are invasive species Exotic species Naturalized speciesWhat are invasive species Exotic species Naturalized species
Species Interactions Section 2 1 Species Interactions SpeciesSpecies Interactions Section 2 1 Species Interactions Species
Create Your Own Origin Myth The Origin ofCreate Your Own Origin Myth The Origin of
Limericks Objective Origin What is a limerick OriginLimericks Objective Origin What is a limerick Origin
CONCEPTS OF STATE Origin Elements On the OriginCONCEPTS OF STATE Origin Elements On the Origin
1 American Landrace Origin Denmark origin traces to1 American Landrace Origin Denmark origin traces to
Native American Origin Myths Literary Concepts Origin MythsNative American Origin Myths Literary Concepts Origin Myths
ORIGIN from Greek anemos wind ORIGIN from GreekORIGIN from Greek anemos wind ORIGIN from Greek
ORIGIN PURPOSE VALUE LIMITATION Document Analysis ORIGIN WhenORIGIN PURPOSE VALUE LIMITATION Document Analysis ORIGIN When
Lecture 1 b OCEAN ORIGIN Chapter 2 ORIGINLecture 1 b OCEAN ORIGIN Chapter 2 ORIGIN
Logistics Mission Origin to Origin Efficiency Flow ChainLogistics Mission Origin to Origin Efficiency Flow Chain
Origin and Objective of the Kano Model OriginOrigin and Objective of the Kano Model Origin
ORIGIN from Greek anemos wind ORIGIN from GreekORIGIN from Greek anemos wind ORIGIN from Greek
Logistics Task Origin to Origin Flow Chain EfficiencyLogistics Task Origin to Origin Flow Chain Efficiency
ORIGIN PURPOSE VALUE LIMITATION Document Analysis ORIGIN WhenORIGIN PURPOSE VALUE LIMITATION Document Analysis ORIGIN When
PolishPaduan Chickens Origin The true origin of thePolishPaduan Chickens Origin The true origin of the
ORIGIN AND HISTORY OF LIFE Origin of LifeORIGIN AND HISTORY OF LIFE Origin of Life