Quiz 2 Ecosystem: What they are and they work? Flashcards
An ecosystem is made up of __
Living things and physical environment
an example of population
predator and prey in grassland
the biospshere__
is the portion of the ocean in which life exists
it is not one of the three interconnected factors upon which life on earth depends
entropy
most of the solar energy that passes through the atmosphere
reflected back into space
it is a limiting factor for an aquatic life zone
dissolved oxygen content
Phytoplankton in an open water ecosystem are __
producers
a decomposer is a type of___
detritivore
what is the rate than an ecosystem’s producer convert energy into biomass
gross primary productivity
this is not done by humans to alter the hydrologic cycle
by extracting and burning fossil fuels at a much higher rate than they naturally formed
the ___ cycles through soils, rocks, water and plants, but NOT through the atmosphere
Phosporus cycle
the layer of the atmosphere where the ozone layer is located
stratosphere
this is not included in the great spheres of biosphere?
Hemisphere
the process which certain soil bacteria strip ammonia or ammonium of electron and nitrate is released as reaction product then other soil bacteria use nitrate for energy metabolism yields nitrate is called___
Nitrification
a summary of the different chemical repositories where a particular element resides, coupled with the pathways that convert and transport the element from one repository or form to another
Biogeochemical cycle