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micro ch. 16
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ecosystem
a community of all the organisms in a defined space.
biota.
sum total of all living organisms
habitat.
physical space or location where a species of microbe lives
producers
photosynthetic organisms that uses energy thru the sunlight
consumers
producers are used as nutrients by these organisms
decomposers
attack consumers after death and use available energy for metabolism.
carbon cycle.
cycle that brings carbon dioxide back to system thru photosynthesis.
important helpers of carbon cycle.
cyanobacteria and zooplankton
major share of sulfur exists in nature as...
sulfate ions.
Desulfovibrio
-
conversion of sulfur to hydrogen sulfide under anaerobic conditions in water-logged soils and muds
hydrogen sulfide...
toxic to many, but certain photosynthetic bacteria use it as electron donor
oxygen cycle.
cyanobacteria - released oxygen to atmosphere.
biofilm
immobilized population of microbes caught in tangled web of ultramicroscopic fibers adhering to surface.
bioremediation.
putting microorganisms to breaks down synthetic waste
indictors for microbe detection.
coliform bacteria, group of G(-) rods
Author
wvuong
ID
68621
Card Set
micro ch. 16
Description
exam 2
Updated
2011-02-24T09:11:34Z
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