BIOE 109 Summer 2009 Lecture 11-Part I Species concepts.
Species Concepts. Species in Theory and Practice Biologists have not been able to agree on exactly what a species is, or how species should be abstractly.
Lecture 3: The Origin of Species Campbell chapters: Chapter 24 Chapter 25 Speciation - the origin of new species from pre-existing species.
1 Dan Graur Molecular Phylogenetics. 2 Objectives of phylogenetics Reconstruct the correct genealogical ties among biological entities Estimate the time.
Announcements: 1. Labs meet this week 2. Lab manuals have been ordered 3. Some slides from each lecture will be on the web 4. Study questions will be posted.
BIOL2007 (B242) - BIODIVERSITY AND SPECIES Next lecture: how species evolve. Today: (1) nature of species (2) whether speciation differs from microevolution.
LECTURE 8: Macroevolution. What is microevolution? –Evolution on a small scale –Change in allele frequencies from one generation to the next –A process.
Robert Hanner, PhD Database Working Group Chair, CBOL Global Campaign Coordinator, FISH-BOL Associate Director, Canadian Barcode of Life Network Biodiversity.
Introduction to the Consortium for the Barcode of Life (CBOL) Scott Miller Smithsonian Institution and Consortium for the Barcode of Life.
Kingdoms and Domains
BIOL2007 (B242) - BIODIVERSITY AND SPECIES Next lecture: how species evolve . Today:
Plant Speciation – Part 2 AD ABCEDF Spring 2010. Major topics Variation in plant populations and species (1) Gene flow and reproductive isolating barriers.