Bio Final

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Author:
xodorkydancerox
ID:
21910
Filename:
Bio Final
Updated:
2010-06-03 11:30:09
Tags:
Ecology
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Description:
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  1. Compare/contrast biotic factors with abiotic factors. Give examples.
    • abiotic: don't relate to living organisms- climate, topography, soil, water
    • biotic: directly affect living organisms- living factors
  2. Describe nitrogen cycle and bacteria's role
    • Bacteria change nitrate to usable form
    • 1) dead bodies decompose- ammonification
    • 2)nitrification- soil goes from ammonia to nitrates
    • 3)dentrification-nitrogen soil to atmosphere
    • 4)plants- nitrogen fixation animals eat plants
  3. Which biome produces the greatest diversity of life?
    ocean
  4. Starting with the sun, discuss the order of energy flow through a food web.
    Energy levels are higher at the top, transfer is lowest on top because top uses most?, producers offer the most
  5. Define producer
    makes organic material from inorganic materials (photosynthetic or chemosynthetic)
  6. define primary consumer
    eats producer
  7. define secondary consumer
    eats primary consumer
  8. define decomposer
    feeds by breaking down organic matter from dead organisms bacteria/fungi

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