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UNIT 1 EVOLUTION
CHAPTER 22: DARWINISM
OUTLINE
Endless Forms Most Beautiful
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Three Key Observations About Life
Charles Darwin
The Origin of Species
Evolution
Descent With Modification
Pattern and Process of Evolution
Concept 22.1: The Darwinian Revolution
- Figure 22.2 page 463
Scala Naturae and Classification of Species
- Aristotle
- Old Testament
- Carolus Linnaeus
o Binomial
o Classification System
Ideas About Change Over Time
- Fossils and Strata
- Paleontology
- Georges Cuvier
- James Hutton
- Charles Lyell
Lamarck’s Hypothesis of Evolution
- Jean-Baptiste de Lamarck
o Use and Disuse
o Inheritance of Acquired Characteristics
Concept 22.2: Descent with Modification by Natural Selection
Darwin’s Research
- Charles Darwin (Personal)
- Captain Robert Fitzroy
- HMS Beagle (Voyage)
- Principles of Geology
- Galapagos Islands
- Adaptations
- Galapagos Finches
- Natural Selection
- Alfred Russel Wallace
- “I think…” Diagram
- Descent With Modification: Elephant Example
- Artificial Selection
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Two Observation and Two Inferences
Time-frame for Natural Selection
Natural Selection: A Summary (p.470)
Populations evolve, Not Individuals
Role of Heredity in Natural Selection
Role of Environmental Factors in Natural Selection
Concept 22.3. Evidence For Evolution
Direct Observations of Evolutionary Change
- Response to Introduced Species
o Soapberry Bug Example
- Drug-Resistant Bacteria
o Pathogens
o Staphylococcus aureus
 MRSA Example
o Two Key Points of Natural Selection
 Process of Editing, Not Creating
 Time and Place Dependent
Homology
- Homology
- Homologous Structures
o Mammalian Forelimb Example
- Developmental Homologies
- Vestigial Structures
- Molecular Homologies
- Evolutionary Tree
o Tetrapod Example
o Common Ancestor
- Convergent Evolution
o Marsupial and Eutherian Mammal Example
o Analogous
Fossil Record
o Pattern of Evolution
o Cetacean Evolution Example
Biogeography
- Biogeography
- Continental Drift and Pangaea
- Endemic Species
“Just a Theory?”
- Pattern of Evolution
- Process of Evolution
- Effects of Natural Selection
- Theory (Scientific)
- Unifying Theory
CHAPTER REVIEW: PAGE 478-479