Speciation Lecture
Starr & Taggart – 11 th Edition Evolutionary Patterns, Rates, and Trends AP Biology: Chapter 19.
Species and Speciation I. Species Concepts II. Recognizing Species A. Morphology B. Genetic Analysis C. Hybrid Analyses.
BIOE 109 Summer 2009 Lecture 11-Part II Speciation.
Post-zygotic isolation results when hybrid offspring are: - inviable (fail to develop at all) - viable, but infertile (one or both sexes cannot reproduce)
Species and Speciation I. Species Concepts II. Recognizing Species III. Making Species - Reproductive Isolation.
5 10 15 20 25 Types of Selection Hardy Weinberg Speciation Prezygotic vs. Postzygotic Grab Bag 5 10 15 20 25 5 10 15 20 25 5 10 15 20 25 5 10 15 20 25.
Chapter 18 Speciation. What is a Species? The morphological species concept expresses the following: – Species, in its simplest interpretation means “kind”
Speciation
Speciation Chapter 17. Barriers to Gene Flow Whether or not a physical barrier deters gene flow depends upon: –Organism’s mode of dispersal or locomotion.
