Organism: Any living being, whether plant, mammal, bird, insect, reptile, fish, crustacean, aquatic or estuarine animal, or bacterium.
Organophosphates: Pesticides that contain phosphorus; short-lived, but some can be toxic when first applied.
Micro-organisms: Bacteria, yeasts, simple fungi, algae, protozoans, and a number of other organisms that are microscopic in size. Most are beneficial but some produce disease. Others are involved in composting and sewage treatment.
Organism: Any form of animal or plant life.
Organophosphates: Pesticides that contain phosphorus; short-lived, but some can be toxic when first applied.
Organophyllic: A substance that easily combines with organic compounds.
Organism: A living thing.
Ozone: A gas composed of three atoms of oxygen (03). Ozone partially filters certain wavelengths of ultraviolet light from the Earth.
Organism is an individual plant or animal
Organochlorines are organic compounds that contain chlorine. many are pesticides.
organism. Any form of animal or plant life. Also see
bacteria..
orifice (OR-uh-fiss). An opening (hole) in a plate, wall or ...
O organism
Definition (english only)
An individual constituted to carry out all life functions.
Microorganism: A microscopic organism, especially a bacterium, fungus, or protozoan.
Mist: Liquid particles measuring between 40 and 500 microns. By contrast, particles making up fog are less than 40 microns.
microorganism
organisms (microbes) observable only through a microscope; larger, visible types are called macroorganisms.
milligrams per liter (mg/l) ...
microorganism An animal or plant life form of microscopic dimensions that can be seen only with the aid of a microscope.
microphyte The smaller algae, e.g., diatoms.
Benthic Organism (Benthos)
A form of aquatic plant or animal life that is found on or near the bottom of a stream, lake, ocean or other water body.
Benthic Region ...
Organisms that are harmful to humans or human concerns, particularly organisms that are harmful to agriculture. Pests can include insects, mites, weeds and plant diseases.
Organisms accidentally or intentionally dropped into habitats in which they do not evolve naturally; e.g. gypsy moths, Dutch elm disease, certain types of algae, and bacteria.
Source: Terms of the Environment
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Organisms living on dead or decaying organic matter that help natural decomposition of organic matter in water.
Source: Terms of the Environment
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Organisms found in soils in large numbers immediately after the addition of readily decomposable organic materials.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #
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Organisms that survive in oxygen-rich environments and use oxygen as the terminal electron acceptor.
Aerobic Respiration
The breakdown of organic chemicals by molecular oxygen to form gaseous carbon dioxide.
Organisms that are pathogens and are obliged to live on or in other organisms, often causing disease or death.
Particulate
Consisting of many small individual particles, not dissolved.
Organisms that are so small that they can only be observed through a microscope, for instance bacteria, fungi or yeasts.
Mineral Water ...
pest
Organism that may harm public health, that attacks food and other materials essential to mankind, or otherwise affects human beings adversely.
Coliform Organism- Microorganisms found in the intestinal tract of humans and animals. Their presence in water indicates fecal pollution and potentially adverse contamination by pathogens.
Aerobes Organisms which require molecular oxygen as an electron acceptor for energy production. See anaerobes.
Aerobic process A process which requires molecular oxygen.
Some soil organisms, such as this crayfish burrow can increase soil porosity, thereby influencing soil aeration and drainage.
Aerobe-Organism that needs oxygen to live.
Agency for Toxic Substances and Disease Registry (ATSDR)-An agency of the Department of Health and Human Services, ...
Indicator organisms: Microorganisms, such as coliforms, whose presence is indicative of pollution or of more harmful microorganism.
Benthos
Organisms that live on or in the seabottom.
Best Available Science
The term "best available science" comes from National Standard 2 listed in the Magnuson-Stevens Act, and is the informational standard mandated for decision making.
Benthos: organisms associated with the bottom or bed of a body of water
Biodiversity: biological diversity; refers to the number of species in an ecosystem and the relative abundance of the different species ...
Chemotrophs: Organisms that obtain energy from oxidation or reduction of inorganic or organic matter.
macroscopic organisms (MACK-row-SKAWP-ick). Organisms big enough to be seen by the eye without the aid of a microscope.
malignant Very dangerous or virulent, causing or likely to cause death.
A sequence of organisms, each of which uses the next, lower member of the sequence as a food source.
Food Processing Waste
Food residues produced during agricultural and industrial operations.
Unitary organisms Those that proceed by a determinate pathway of development of a tightly canalized adult form, e.g. all arthropods and vertebrates.
Aerobic: An organism that is living, active or occurring only in the presence of oxygen (e.g., most fungi are aerobic).
Mold: A microorganism belonging to the Kindgom Fungi that grows in multicellular filaments called hyphae to from networks called mycelium and produce spores to reproduce.
Mold Remediation: The act or process of correcting a mold problem.
Giardia A microorganism that is commonly found in untreated surface water and can be removed by filtration. It is resistant to disinfectants such as chlorine.
Benthic/Benthos- An organism that feeds on the sediment at the bottom of a water body such as an ocean, lake, or river.
Bentonite- A colloidal clay, expansible when moist, commonly used to provide a tight seal around a well casing.
Bioaccumulants Substances that increase in concentration in living organisms as they take in contaminated air, ...
an interaction between two organisms from which one benefits and the other is harmed. Parasitism is usually to the detriment, but not death, of one organism.
parts per million (ppm).
Food chain:transfer of food energy from one organism to another. It begins with a plant species, which is eaten by an animal species; it continues with a second animal species, which eats the first, and so on.
carcinogen A substance which tends to produce cancer in a living organism.catchment area of an aquiferArea that comprises the intake area and all areas that contribute surface water to the intake area of aquifers.
BACTERIA Bacteria are single-cell organisms. They are procaryotic (which means that their genetic material is not enclosed by a nuclear membrane and they do not have mitochondria or plastids).
When an organism is alive the 14C/ 12C ratio in its biomass is constant (because of constant atmospheric 14C production, diffusion to the lower atmosphere, absorption by organisms, and because of constant 14C radioactive decay) but when the organism ...
(1) A device placed in the water for a specified period of time that provides living spaces for a multiplicity of organisms; for example, glass slides, concrete blocks, multi-plate samplers, or rock baskets; ...
Toxicology is the study of the quantitative effects of chemicals on biological organisms. A toxicologist focuses not only on the harmful actions of chemicals on organisms but also acquires information on the degree of safeness of the compound.
Most organisms have a variety of food sources and can withstand some amount of habitat change.
Photosynthesis the process used within living organisms by which energy from the sun is stored in carbohydrates made from carbon dioxide and water, using chlorofyll from plants.
Material that is derived from living, or recently living biological organisms.
Ecosystem: The complex of plant, animal, fungal, and microorganism communities and their associated non-living environment interacting as an ecological unit. Ecosystems have no fixed boundaries.
Invasive species: A type of plant, animal, or other organism that does not naturally live in a certain area but has been introduced there, often by people.
Organic substances "biodegrade" when they are broken down by other living organisms (such as enzymes and microbes) into their constituent parts, and in turn recycled by nature as the building blocks for new life.
In biology, an organism, species, or community whose characteristics show the presence of specific environmental conditions. 4. In chemistry, a substance that shows a visible change, usually of color, at a desired point in a chemical reaction. 3.
Habitat: The specific environment in which an organism lives and on which it depends for food and shelter.
Hardness: The concentration of calcium or magnesium in water; affects the availability of nutrients and toxic substances to stream organisms.
Cell: An autonomous self-replicating unit. All living organisms are composed of one or more cells. In multi-cellular organisms, cells may be more or less specialized (differentiated) for particular functions.
Chemical entity: Chemical molecule.
To destroy disease-causing organisms in water.
Effluent
Treated water or wastewater exiting a treatment plant, or exiting a particular stage of the treatment process (i.e. primary effluent, secondary effluent, final effluent).
Phenotype: The observable physical or biochemical traits of an organism, as determined by genetics and the environment; the expression of a given trait based on phenotype; an individual or group of organisms with a particular phenotype.
Bacteria- (Singular: bacterium) Microscopic living organisms that can aid in pollution control by metabolizing organic matter in sewage, oil spills or other pollutants.
biosphere - (1) the part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life; (2) the living organisms and their environment composing the biosphere.
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Ecological means related to ecology, which is the sum of the relationships between organisms and their environment. An ecological disturbance is an event that interrupts these relationships between organisms and the environment.
Biocide
a chemical that is used to kill selected living organisms; for example pesticides, herbicides, fungicides
Biodegradable
describes a substance that can be decomposed by microorganisms ...
Bacteria: microscopic one-celled organisms which live everywhere and perform a variety of functions. While decomposing organic matter in water, bacteria can greatly reduce the amount of oxygen in the water.
The Interdependence of Organisms:
The atoms and molecules on the earth cycle among the living and nonliving components of the biosphere.
Human activities modify ecosystems.
decomposers:Decomposers are organisms that break down organic matter, like dead animals or plants.
deforestation: Deforestation is when trees are stripped from the forest.
 See also: Water, Environment, Soil, Condition, Waste
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