Evolution, Natural Selection, and Speciation

“Evolve” Means to Change Over Time ,[object Object],[object Object],Evolution

The Development of Evolutionary Theory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Evolution

Development of Evolutionary Theory ,[object Object],[object Object],[object Object],Evolution

Development of Evolutionary Theory ,[object Object],[object Object],[object Object],[object Object],Evolution Evolution is the process by which living things change and diversify over time

Evolution Evidence to Support Evolution

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Scientists from many disciplines including biology, chemistry, physics, geology, and paleontology have contributed to the case for evolution! Evidence to Support Evolution

The Origin of Life ,[object Object],[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

The Miller-Urey Experiment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

Miller-Urey Apparatus Evidence to Support Evolution

Biological Evolution ,[object Object],[object Object],[object Object],[object Object],[object Object]

Geology ,[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

Geology ,[object Object],[object Object],[object Object],Evidence to Support Evolution

Geology ,[object Object],[object Object]

The Fossil Record ,[object Object],[object Object],[object Object],Evidence to Support Evolution

The Fossil Record ,[object Object],[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

Determining the Age of Fossils ,[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

Determining the Age of Fossils ,[object Object],[object Object],[object Object],Evidence to Support Evolution

Radiometric Dating Evidence to Support Evolution Radioactive Parent Stable Daughter Half life Potassium 40 Argon 40 1.25 billion yrs Rubidium 87 Strontium 87 48.8 billion yrs Thorium 232 Lead 208 14 billion years Uranium 235 Lead 207 704 million years Uranium 238 Lead 206 4.47 billion years Carbon 14 Nitrogen 14 5730 years

The Geologic Time Scale ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

Comparative Embryology ,[object Object],Evidence to Support Evolution

Comparative Embryology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

Comparative Biochemistry ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

Anatomy and Comparative Anatomy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

Anatomy: Homologous Structures ,[object Object],[object Object],Evidence to Support Evolution

Anatomy: Analogous Structures ,[object Object],[object Object],[object Object],[object Object],Evidence to Support Evolution

Summary ,[object Object],[object Object],[object Object],Evidence to Support Evolution

Natural Selection and Speciation

Charles Darwin ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Voyage of the Beagle: Ports of Call Noted that populations of organisms were slightly different from place to place Each group was modified to their specific environment

Land Iguana Marine Iguana The Galapagos Iguanas

The Galapagos Finches The Origin of Species Interactive Exploration

Evolution Through Natural Selection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Speciation ,[object Object],[object Object],[object Object],[object Object]

Reproductive Barriers and Speciation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Patterns in Evolution ,[object Object],[object Object],[object Object],[object Object],[object Object]

Evolution Produces Diversity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Linnean Taxonomy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Explore Human Evolution ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Order Primate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What Characteristics do Humans Have? ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Steps to Human Evolution ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Hominid Family ,[object Object],[object Object],[object Object],[object Object]

Genus Australopithecus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Australopithecines ,[object Object],[object Object],[object Object],[object Object],[object Object]

Genus Homo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Homo habilis “The Tool Man” ,[object Object],[object Object],[object Object]

Homo erectus “The Upright Man” ,[object Object],[object Object],[object Object]

Homo sapiens “The Wise Man” ,[object Object],[object Object],[object Object],[object Object],[object Object]

Neanderthals ,[object Object],[object Object],[object Object],[object Object],[object Object]

Cro Magnons and Fully Modern Humans ,[object Object],[object Object],[object Object],[object Object]

Evolution, Natural Selection, and Speciation

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Evolution, Natural Selection, and Speciation