Chapter 11 Sustaining Biodiversity: The Species Approach Species Extinction Local extinction: Ecological extinction: Biological extinction: Endangered Species: Threatened…

Texas Natural Regions Extinction Rates Background (natural) rate of extinction Mass extinction Adaptive radiations Number of families of marine animals Sustaining Wild Species…

Sustaining Biodiversity: The Species Approach Chapter 8 The Passenger Pigeon: Gone Forever Once most common bird in N. America- Extinct in 1914 Humans were responsible (huge…

Species extinction 12.1 1. Local Species disappears from an area, found elsewhere 2. Ecological # of species is low, cannot fulfill role 3. Biological Species disappeared…

Chapter 12 Chapter 12 Local- species is no longer found in an area it once inhabited Ecological- numbers of species are so few that it can no longer play its ecological roles…

Sustaining Biodiversity: The Species Approach Chapter 9 J. Stewart- Presenter The Passenger Pigeon: Gone Forever Once most common bird in N. America- Extinct in 1914 Humans…