History of Life

Opairin- Haldane Hypothesis

Opairin Haldane Model

The Panspermia Hypothesis
-Case Studies

Endosymbiotic Theory

Cambrian Explosion
-graph

What caused the Cambrian Explosion?

Mass Extinctions: occurrence and extinction of species

What caused the mass extinctions?

Three Tiers of Evolution:

Wallace's Line

Case Study of Geography of Evolution

Why are there more species in the tropics that in other areas of earth?

Time Hypothesis
-graphs

Climate Hypothesis

Area Hypothesis

Competition Hypothesis

Speciation Rate Hypothesis

Temporal Changes in Taxonomic Composition

Competitive Displacement

Incumbent Replacement

Case Study of Correlation between Origination and Extinction Rates

Why are extinction and origination rates correlated?

Ecological Specialization

Tempo of Evolution

Geographic Range
Case Study

Gradualism:
Draw Model

Punctuated Equilibrium
-Draw Model