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37 Cards in this Set
- Front
- Back
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ACID DEPOSITION
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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
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COLIFORMS
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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
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EUTROPHICATION
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THE ADDITION OF ORGANIC MATTER AND SUBSEQUENT REMOVAL OF OXYGEN FROM A BODY OF WATER
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PROFUNDAL ZONE
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THE DEEPER WATER UNDER THE LIMNETIC ZONE IN AN INLAND BODY OF WATER
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ROOT NODULE
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A TUMORLIKE GROWTH ON THE ROOTS OF CERTAIN PLANTS CONTAINING SYMBIOTIC NITROGEN-FIXING BACTERIA
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PHOSPHOROUS CYCLE
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THE VARIOUS SOLUBILITY STAGES OF PHOSPHORUS IN THE ENVIRONMENT
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FLOCCULATION
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THE REMOVAL OF COLLOIDAL MATERIAL DURING WATER PURIFICATION BY ADDING A CHEMICAL THAT CAUSES COLLOIDAL PARTICLES TO COALESCE
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COMPOSTING
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A METHOD OF SOLID WASTE DISPOSAL, USUALLY PLANT MATERIAL, BY ENCOURAGING ITS DECOMPOSITION BY MICROBES
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INDICATOR ORGANISM
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A MICROORGANISM, SUCH AS A COLIFORM, WHOSE PRESENCE INDICATES CONDITIONS SUCH AS FECAL CONTAMINATION OF FOOD OR WATER
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LITTORAL ZONE
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THE REGION ALONG THE SHORE OF THE OCEAN OR A LARGE LAKE WHERE THERE IS CONSIDERABLE VEGETATION AND WHERE LIGHT PENETRATES TO THE BOTTOM
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BIOLUMINESCENCE
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THE EMISSION OF LIGHT FROM THE ELECTRON TRANSPORT CHAIN; REQUIRES THE ENZYME LUCIFERASE
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ACTIVATED SLUDGE SYSTEM
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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
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AMMONIFICATION
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THE RELEASE OF AMMONIA FROM NITROGEN CONTAINING ORGANIC MATTER BY THE ACTION OF MICROORGANISMS
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BENTHIC ZONE
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THE SEDIMENT AT THE BOTTOM OF A BODY OF WATER
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BIOAUGMENTATION
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THE USE OF POLLUTANT-ACCLIMATED MICROBES OR GENETICALLY ENGINEERED MICROBES FOR BIOREMEDIATION
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TRICKLING FILTER
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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
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SECONDARY SEWAGE TREATMENT
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BIOLOGICAL DEGRADATION OF THE ORGANIC MATTER IN WASTEWATER FOLLOWING PRIMARY TREATMENT
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BIOCHEMICAL OXYGEN DEMAND (BOD)
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A MEASURE OF THE BIOLOGICALLY DEGRADABLE ORGANIC MATTER IN WATER
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SLUDGE
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SOLID MATTER OBTAINED FROM SEWAGE
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AQUATIC MICROBIOLOGY
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THE STUDY OF MICROORGANISMS AND THEIR ACTIVITIES IN NATURAL WATERS
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LIMNETIC ZONE
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THE SURFACE ZONE OF AN INLAND BODY OF WATER AWAY FROM THE SHORE
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NITROGEN CYCLE
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THE SERIES OF PROCESSES THAT CONVERTS NITROGEN (N2) TO ORGANIC SUBSTANCES AND BACK TO NITROGEN IN NATURE
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BULKING
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A CONDITION ARISING WHEN SLUDGE FLOATS RATHER THAN SETTLES IN SECONDARY SEWAGE TREATMENT
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PRIMARY SEWAGE TREATMENT
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THE REMOVAL OF SOLIDS FROM SEWAGE BY ALLOWING THEM TO SETTLE OUT AND BE HELD TEMPORARILY IN TANKS OR PONDS
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ENDOLITH
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AN ORGANISM THAT LIVES INSIDE ROCK
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ARBUSCULE
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FUNGAL MYCELIA IN PLANT ROOT CELLS
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OXIDATION POND
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A METHOD OF SECONDARY SEWAGE TREATMENT BY MICROBIAL ACTIVITY IN A SHALLOW STANDING POND OF WATER
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BIOFILM
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A MICROBIAL COMMUNITY THAT USUALLY FORMS AS A SLIMY LAYER ON A SURFACE
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BIOGEOCHEMICAL CYCLE
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THE RECYCLING OF CHEMICAL ELEMENTS BY MICROORGANISMS FOR USE BY OTHER ORGANISMS
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ANAEROBIC SLUDGE DIGESTER
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ANAEROBIC DIGESTION USED IN SECONDARY SEWAGE TREATMENT
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DENITRIFICATION
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THE REDUCTION OF NITRATES TO NITRITES OR NITROGEN GAS
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SULFUR CYCLE
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THE VARIOUS OXIDATION AND REDUCTION STAGES OF SULFUR IN THE ENVIRONMENT, MOSTLY DUE TO THE ACTION OF MICROORGANISMS
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TERTIARY SEWAGE TREATMENT
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A METHOD OF WASTE TREATMENT THAT FOLLOWS CONVENTIONAL SECONDARY SEWAGE TREATMENT; NONBIODEGRADABLE POLLUTANTS AND MINERAL NUTRIENTS ARE REMOVED, USUALLY BY CHEMICAL OR PHYSICAL MEANS
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GLOBAL WARMING
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RETENTION OF SOLAR HEAT BY GASES IN THE ATMOSPHERE
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CARBON CYCLE
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THE SERIES OF PROCESSES THAT CONVERTS CO2 TO ORGANIC SUBSTANCES AND BACK TO CO2 IN NATURE
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ROTATING BIOLOGICAL CONTACTOR
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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
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PHYTOPLANKTON
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FREE-FLOATING PHOTOAUTOTROPHS
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