Bio Final

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
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
Which biome produces the greatest diversity of life?

ocean
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
Define producer

makes organic material from inorganic materials (photosynthetic or chemosynthetic)
define primary consumer

eats producer
define secondary consumer

eats primary consumer
define decomposer

feeds by breaking down organic matter from dead organisms bacteria/fungi

Author

xodorkydancerox

21910

Card Set

Bio Final

Description

question

Updated

2010-06-03T15:30:09Z

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