Slide 1 BIOE 109 Summer 2009 Lecture 11-Part II Speciation Slide 2 What is speciation? Slide 3 What is speciation? in Darwin’s words, speciation is the “multiplication…
Slide 1 Speciation Slide 2 We can separate speciation into a three-step process: An initial step that isolates populations; A second step that results in the divergence of…
Slide 1 1 The Cambrian Explosion and Beyond Chapter 17 Slide 2 2 Fig. 2.18 The geological time scale Slide 3 3 Limitations of the fossil record Hard parts – shells, bones,…
Conservation of Hawaiian Drosophila using phylogenetic, ecological and population genetic data. Patrick M. OâGrady University of California, Berkeley Dr. Karl Magnacca Richard…
Chapt.: 21- The Species Concept âSpecies and Their Formationâ How does one species arise from another? Is a new species always better adapted to the environment? When and…
Speciation most important problem in evolutionary biology - change over time - diversification Species concepts Mechanisms of speciation Species Concepts Mayden (1997) 22…
Chapt.: 21- The Species Concept âSpecies and Their Formationâ How does one species arise from another? Is a new species always better adapted to the environment? When and…
Speciation most important problem in evolutionary biology - change over time - diversification Species concepts Mechanisms of speciation Species Concepts Mayden (1997) 22…