Science Final Ch. 6

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Author:
KattthD
ID:
129435
Filename:
Science Final Ch. 6
Updated:
2012-01-21 16:10:35
Tags:
Science Final
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Description:
Biodiversity and Ecosystem diversity
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  1. Whtat is biodiversity?
    the sum total of the genetically based variety of all organisms in the biosphere
  2. what is ecosystem diversity?
    includes the variety of habitats, communities, and ecological processes in the living world
  3. Species diversity
    the number of different speices in the biosphere
  4. genetic diversity
    total of all the different forms of genetica information carried by all organisms livin on Earth today
  5. is biodiversity on of Earth's greates natural resources?
    YES
  6. How can human activity reduce biodiversity?
    • -altering habitats
    • -hunting species to extinction
    • -indtroducing toxic compounds into food webs
    • -introducing foreign species to new invironments
  7. biogical magnification
    conenctrations of a harmful substance increase in arganisms at higher trophic levels in a food chain or food web

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