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Native species habitats - PowerPoint PPT Presentation

Species Diversity

Species Diversity. The species diversity of a community Is the variety of different kinds of organisms that make up the community. Species richness Is the total number of different species in the community Relative abundance (evenness). Two different communities

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Chapter 7

Chapter 7. Sustaining Biodiversity: The Species Approach. Chapter Overview Questions. How do biologists estimate extinction rates, and how do human activities affect these rates? Why should we care about protecting wild species? Which human activities endanger wildlife?

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Chapter 11

Chapter 11. Sustaining Biodiversity: The Species Approach. Core Case Study: The Passenger Pigeon - Gone Forever. Once the most numerous bird on earth. In 1858, Passenger Pigeon hunting became a big business. By 1900 they became extinct from over-harvest and habitat loss. Figure 11-1.

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'Native species habitats' diaporamas de présentation

Native species habitats - PowerPoint PPT Presentation

Species Diversity

Chapter 7

Chapter 11