Slide 1Speciation The Evolution of new Species Slide 2 Speciation The formation of new species from existing species Macroevolution Species = population/group in nature whose…

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Slide 1 Chapter 23 Biology Sixth Edition Raven/Johnson (c) The McGraw-Hill Companies, Inc. Slide 2 Speciation – the process that explains how one species can lead to several…

Slide 1 The Process of Speciation Every individual alive today, the highest as well as the lowest, is derived in an unbroken line from the first and lowest forms August Frederick…

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Slide 1 Evolutionary Patterns, Rates, and Trends Chapter 17 Slide 2 Learning Objectives 1.Describe how fossils arise, and how they are used to reconstruct the evolution of…

Slide 1 Chapter 16: Evolution of Populations  16.1 Genes and Variation  16.2 Evolution as Genetic Change  16.3 The Process of Speciation Slide 2 Slide 3 Slide 4…

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Slide 1 Copyright Pearson Prentice Hall 16-3 The Process of Speciation Slide 2 Copyright Pearson Prentice Hall Natural selection and chance events can change the relative…

Slide 1 Process of Speciation Slide 2 How do natural selection and genetic drift create new species? –Speciation – formation of new species –Species – group of organisms…