1.Chapter 14 The Origin of Species 02. Mosquito Mystery Speciation is the emergence of new species In England and North America Two species of mosquitoes exist and spread…

1.© 2010 Pearson Education, Inc. MACROEVOLUTION AND THE DIVERSITY OF LIFE • Macroevolution: – Encompasses the major biological changes evident in the fossil record –…

1. BY 123 Content ReviewFINAL EXAM 2. Question 1Use the picture above to explain the lytic cycle. 3. Question 2Use the picture above to explain the lysogenic cycle. 4. Question…

1. ORIGIN OF SPECIES Chapter 24 2. Speciation• Speciation - Origin ofnew species• Two models:– Anagenesis– Cladogenesis• Micro v. Macro evolution– Micro – changes…

Slide 1 Chapter 24 The Origin of Species (cont.) Slide 2 Questions to ponder Natural hybridization is common and hybrids are not uniformly unfit, they are genotypic classes…

Slide 1 Figure 24.0 A Galápagos Islands tortoise Slide 2 Figure 24.1 Two patterns of speciation Slide 3 Figure 24.2a The biological species concept is based on interfertility…

15.1: New Species Evolve Objectives: Describe the biological species concept. Distinguish b/w micro and macroevolution. List types of reproductive barriers b/w species. Explain…

Macroevolution Macroevolution Macroevolution is the study of major biological changes evident in the fossil record Includes the following: Multiplication of species Origin…

Ch 24: origin of species What is a species? Species Concepts Morphological Biological Isolating mechanisms and hybridization Other Species Concepts How do new species arise?…

LECTURE 8: Macroevolution What is microevolution? Evolution on a small scale Change in allele frequencies from one generation to the next A process that leads to a change…