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Evolution and Biodiversity

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Evolution and Biodiversity. G. Tyler Miller's. Living in the ... Coevolution. Ecological Niches and Adaptation. Fig. 5-4 p. 91. Ecological niche. Habitat ... – PowerPoint PPT presentation

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Title: Evolution and Biodiversity


1
Evolution and Biodiversity
G. Tyler Millers 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
  • Ecological niche
  • 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
  • Speciation
  • 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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