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Evolution and Biodiversity

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Presentation on theme: "Evolution and Biodiversity"— Presentation transcript:

1 Evolution and Biodiversity
G. Tyler Miller’s Living in the Environment 14th Edition Chapter 5

2 Key Concepts Origins of life Evolution and Evolutionary processes
Ecological niches Species formation Species extinction

3 Origins and Early Evolution of Life
Chemical evolution Biological evolution Fig. 5-2 p. 88

4 Evolution and Adaptation
Macroevolution Microevolution Gene pool Mutation Natural selection

5 Natural Selection Differential reproduction Adaptive trait Coevolution

6 Ecological Niches and Adaptation
Fundamental niche Habitat Realized niche Fig. 5-4 p. 91

7 Broad and Narrow Niches
Generalist species Specialist species Refer to Spotlight p. 92

8 Speciation, Extinction, and Biodiversity
Geographic isolation Reproductive isolation Fig. 5-7 p. 94

9 Extinction Background extinction Mass extinction Mass depletion
Adaptive radiation Human Impacts

10 Human Impacts on Evolution
Artificial Selection Genetic Engineering Concerns about Genetic Engineering


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