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Descent with Modification

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Descent with Modification

History of Evolution

Plato (427 – 347 B.C.) – Two Worlds

Aristotle (384 – 322 B.C.) – Scale of Nature

Judeo-Christian – Old Testament

Natural Theology (1700’s) – Creator’s plan studying biology

Linnaeus (1707 – 1778) - Taxonomy

History of Evolution

Cuvier (1769 – 1832)Father of Paleontology

Catastrophism

History of Evolution

Hutton (1726 – 1797)Gradualism

• Very small processes can make large changes over time

History of Evolution

Charles Lyell (1797 – 1875)

Uniformitarianism• Processes today occur

like they did in the past

Principles of Geology (1830-1833)

• Earth must be very old

History of Evolution

Lamark (1809)Inheritance of Acquired Traits

Darwinian Revolution

Medical School

Clergyman

HMS Beagle

Darwinian Revolution

HMS Beagle (1831 – 1836) – chart the coast of South America

Captain Robert FitzRoy – Companion

Darwinian Revolution

Galapagos Islands

Thomas Malthus

An Essay on the Principle of Population 6th ed. (1826)

Darwinian Revolution

On The Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle For Life (1858)

Darwinian Revolution

Why did it take 22 years to publish?

Darwinian Revolution

Alfred Wallace (1823 – 1913)

East Indies

Darwinian Revolution

Two main PointsDescent with Modification

Natural Selection

Evidence of Evolution

Taxonomy

Evidence of Evolution

Fossil Record

Evidence of Evolution

Biogeography

Evidence of Evolution

Comparative AnatomyHomologous Structures

Evidence of Evolution

Comparative Embryology

Evidence of Evolution

Comparative Molecular Biology