29 terms

TuHS Wastewater: Ecosystems & Relationships

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Terms in this set (...)

Waste water
Water that runs into drains that may contain sewage and chemicals from homes and businesses
Watershed
All land in a given landscape that drains into a particular stream, river, lake, or wetland
Abiotic
A term that describes a nonliving factor in an ecosystem.
Biotic
A term that describes living factors in the environment.
Consumer
An organism that obtains energy by feeding on other organisms
Producer
An organism that can make its own food (energy) by using energy from its surroundings
Nitrogen Cycle
The cycling of nitrogen between organisms, soil, water, and the atmosphere
Phosphorous Cycle
Movement of phosphorous from the environment to organisms and then back to the environment
Eutrophication
Rapid algal growth in a body of water caused by an excess of nitrates and phosphates that leads to loss of oxygen in water and rapid species death
Omnivore
A consumer that eats both plants and animals
Herbivore
A consumer that eats only plants.
Autotroph
An organism that can make its own food
Heterotroph
Organism that obtains energy from the foods it consumes; also called a consumer
Decomposer
Organism that breaks down and obtains energy from dead organic matter. Recycle nutrients within an ecosystem.
Energy Transfer
Transfer of energy from the sun through the different trophic levels of the biosphere.
Trophic Level
Each step in a food chain or food web
Food Chain
A series of steps in which organisms transfer energy by eating and being eaten
Food Web
A community of organisms where there are several interrelated food chains
Carnivore
A consumer that eats only animals.
Ammonia
Form of nitrogen found in fertilizer and urine
Nitrate
Form of nitrogen usable by plants converted from nitrite by bacteria
Nitrite
Form of nitrogen converted from ammonia by bacteria
10%
What energy percentage is transferred between each step in the food chain?
Feeding Relationships
How matter and energy is moved through an ecosystem
Aerobic
The Durham wastewater treatment plant has large vats in which oxygen is pumped in the wastewater to assist in the treatment process. This is an _________________ treatment.
Atmospheric Nitrogen
Part A in the nitrogen cycle represented by this diagram.
Nitrogen fixing bacteria
Part B in the nitrogen cycle represented by this diagram.
Nitrite
Part D in the nitrogen cycle represented by this diagram.
Plants
The Nitrates (in part E of diagram) are able to supply nutrients to this to make it grow.