micro chapter 27
Terms
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- ACID DEPOSITION
- RAIN, SNOW, SLEET, HAIL, OR DRIZZLE CONTAINING ACIDIC OXIDES OF SULFUR, NITROGEN, ETC. THAT ARE RELEASED INTO THE ATMOSPHERE, USUALLY FROM THE COMBUSTION OF FOSSIL FUELS, AND RETURN TO EARTH DISSOLVED IN PRECIPITATION
- COLIFORMS
- AEROBIC OR FACULTATIVELY ANAEROBIC, GRAM-NEGATIVE, NONENDOSPORE-FORMING, ROD-SHAPED BACTERIA THAT FERMENT LACTOSE WITH ACID AND GAS FORMATION WITHIN 48 HOURS AT 35 DEGREES C
- EUTROPHICATION
- THE ADDITION OF ORGANIC MATTER AND SUBSEQUENT REMOVAL OF OXYGEN FROM A BODY OF WATER
- PROFUNDAL ZONE
- THE DEEPER WATER UNDER THE LIMNETIC ZONE IN AN INLAND BODY OF WATER
- ROOT NODULE
- A TUMORLIKE GROWTH ON THE ROOTS OF CERTAIN PLANTS CONTAINING SYMBIOTIC NITROGEN-FIXING BACTERIA
- PHOSPHOROUS CYCLE
- THE VARIOUS SOLUBILITY STAGES OF PHOSPHORUS IN THE ENVIRONMENT
- FLOCCULATION
- THE REMOVAL OF COLLOIDAL MATERIAL DURING WATER PURIFICATION BY ADDING A CHEMICAL THAT CAUSES COLLOIDAL PARTICLES TO COALESCE
- COMPOSTING
- A METHOD OF SOLID WASTE DISPOSAL, USUALLY PLANT MATERIAL, BY ENCOURAGING ITS DECOMPOSITION BY MICROBES
- INDICATOR ORGANISM
- A MICROORGANISM, SUCH AS A COLIFORM, WHOSE PRESENCE INDICATES CONDITIONS SUCH AS FECAL CONTAMINATION OF FOOD OR WATER
- LITTORAL ZONE
- THE REGION ALONG THE SHORE OF THE OCEAN OR A LARGE LAKE WHERE THERE IS CONSIDERABLE VEGETATION AND WHERE LIGHT PENETRATES TO THE BOTTOM
- BIOLUMINESCENCE
- THE EMISSION OF LIGHT FROM THE ELECTRON TRANSPORT CHAIN; REQUIRES THE ENZYME LUCIFERASE
- ACTIVATED SLUDGE SYSTEM
- A PROCESS USED IN SECONDARY SEWAGE TREATMENT IN WHICH BATCHES OF SEWAGE ARE HELD IN HIGHLY AERATED TANKS; TO ENSURE THE PRESENCE OF MICROBES EFFICIENT IN DEGRADING SEWAGE, EACH BATCH IS INOCULATED WITH PORTIONS OF SLUDGE FROM A PREVIOUS BATCH
- AMMONIFICATION
- THE RELEASE OF AMMONIA FROM NITROGEN CONTAINING ORGANIC MATTER BY THE ACTION OF MICROORGANISMS
- BENTHIC ZONE
- THE SEDIMENT AT THE BOTTOM OF A BODY OF WATER
- BIOAUGMENTATION
- THE USE OF POLLUTANT-ACCLIMATED MICROBES OR GENETICALLY ENGINEERED MICROBES FOR BIOREMEDIATION
- TRICKLING FILTER
- A METHOD OF SECONDARY SEWAGE TREATMENT IN WHICH SEWAGE IS SPRAYED OUT OF ROTATING ARMS ONTO A BED OF ROCKS OR SIMILAR MATERIALS, EXPOSING THE SEWAGE TO HIGHLY AEROBIC CONDITIONS AND MICROORGANISMS
- SECONDARY SEWAGE TREATMENT
- BIOLOGICAL DEGRADATION OF THE ORGANIC MATTER IN WASTEWATER FOLLOWING PRIMARY TREATMENT
- BIOCHEMICAL OXYGEN DEMAND (BOD)
- A MEASURE OF THE BIOLOGICALLY DEGRADABLE ORGANIC MATTER IN WATER
- SLUDGE
- SOLID MATTER OBTAINED FROM SEWAGE
- AQUATIC MICROBIOLOGY
- THE STUDY OF MICROORGANISMS AND THEIR ACTIVITIES IN NATURAL WATERS
- LIMNETIC ZONE
- THE SURFACE ZONE OF AN INLAND BODY OF WATER AWAY FROM THE SHORE
- NITROGEN CYCLE
- THE SERIES OF PROCESSES THAT CONVERTS NITROGEN (N2) TO ORGANIC SUBSTANCES AND BACK TO NITROGEN IN NATURE
- BULKING
- A CONDITION ARISING WHEN SLUDGE FLOATS RATHER THAN SETTLES IN SECONDARY SEWAGE TREATMENT
- PRIMARY SEWAGE TREATMENT
- THE REMOVAL OF SOLIDS FROM SEWAGE BY ALLOWING THEM TO SETTLE OUT AND BE HELD TEMPORARILY IN TANKS OR PONDS
- ENDOLITH
- AN ORGANISM THAT LIVES INSIDE ROCK
- ARBUSCULE
- FUNGAL MYCELIA IN PLANT ROOT CELLS
- OXIDATION POND
- A METHOD OF SECONDARY SEWAGE TREATMENT BY MICROBIAL ACTIVITY IN A SHALLOW STANDING POND OF WATER
- BIOFILM
- A MICROBIAL COMMUNITY THAT USUALLY FORMS AS A SLIMY LAYER ON A SURFACE
- BIOGEOCHEMICAL CYCLE
- THE RECYCLING OF CHEMICAL ELEMENTS BY MICROORGANISMS FOR USE BY OTHER ORGANISMS
- ANAEROBIC SLUDGE DIGESTER
- ANAEROBIC DIGESTION USED IN SECONDARY SEWAGE TREATMENT
- DENITRIFICATION
- THE REDUCTION OF NITRATES TO NITRITES OR NITROGEN GAS
- SULFUR CYCLE
- THE VARIOUS OXIDATION AND REDUCTION STAGES OF SULFUR IN THE ENVIRONMENT, MOSTLY DUE TO THE ACTION OF MICROORGANISMS
- TERTIARY SEWAGE TREATMENT
- A METHOD OF WASTE TREATMENT THAT FOLLOWS CONVENTIONAL SECONDARY SEWAGE TREATMENT; NONBIODEGRADABLE POLLUTANTS AND MINERAL NUTRIENTS ARE REMOVED, USUALLY BY CHEMICAL OR PHYSICAL MEANS
- GLOBAL WARMING
- RETENTION OF SOLAR HEAT BY GASES IN THE ATMOSPHERE
- CARBON CYCLE
- THE SERIES OF PROCESSES THAT CONVERTS CO2 TO ORGANIC SUBSTANCES AND BACK TO CO2 IN NATURE
- ROTATING BIOLOGICAL CONTACTOR
- A METHOD OF SECONDARY SEWAGE TREATMENT IN WHICH LARGE DISKS ARE ROTATED WHILE PARTIALLY SUBMERGED IN A SEWAGE TANK EXPOSING SEWAGE TO MICROORGANISMS AND AEROBIC CONDITIONS
- PHYTOPLANKTON
- FREE-FLOATING PHOTOAUTOTROPHS