Biogeochemical Cycles
The importance of the Phosphorus Cycle?
What is, Phosphorus must be available for all organisms?
The most dangerous form of water pollution.
What is feces present in the water supply.
This forms the holes in Swiss cheese
What is Propionibacterium?
Must happen to nitrogen before plants can use it?
What is, Nitrogen must be fixed
Two sources of water pollution.
What are industry and agriculture
Wine soured in air which converted ethanol to acetic acid.
What is vinegar?
A process occurring in the Sulphur cycle in which sulphur is released as hydrogen sulphide, from decomposing proteins back into the cycle.
What is dissimilation?
Alternate name for tertiary sewage treatment.
What is "toilet to tap"
This is made up of thickened milk inoculated with mixed culture of Streptococcus thermophilus andLactobacillus delbrueckii bulgaricus.
What is yogurt?
The four processes of the nitrogen cycle, in no particular order.
What is, ammonification, denitrification, nitrogen, fixation, nitrification.
Indicator Organism used in Freshwater
What is Coliform Bacteria
This species is used in yeast making, beer brewing from grains and fermentation from wines.
What is Saccharomyces cerevisiae?
The primary producers in biological communities that can survive without sunlight by oxidizing Hydrogen sulphide.
What is Chemoautotrophs?
A town in Ontario that experienced a terrible water borne outbreak in 2000.
What is Walkerton.
This is the chemical breakdown of substance by bacteria, yeasts, or other microorganisms.
What is fermentation?