Chapter 27 Flashcards
environmental microbio
microbiome def
the microorganisms in a particular envrionment
where do microbes flourish
in every habitat on earth
microbial ecology def
the study of the interrelationships among microorganisms and their environment
biodiversity def
the # of species in a given ecosystem
biomass
the mass of all organisms in an ecosystem
what are the most abundant in biodiversity and biomass
microorganisms
competition def
best adapted microbes have advantageous traits
antagonism def
one microbe actively inhibits the growth of another
cooperation def
microbes makes environment favoable for others
bioremediation def
using organisms to clean up toxic, hazardous, or recalicitrant compounds and decreasing them to harmless compounds
examples of bioremediation
soil microbes, methanogens, degradation of plastics, cleaning oil spills
biogeochemical cycles def
processes by which organisms convert elements from one form to another
nitrogen cycle overview
atmospheric N2 that is unusable is cycled by microbes to usable nitrogen forms
what are the levels of soil
top soil,, subsoil,, bedrock
where are most microbes found
top soil