BioScience Dictionary

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 | Ot.

Found Environment 7 times.

Displaying results 1 to 10.

1. Environment
* The complex of climatic , edaphic and biotic factors that act upon an organism or an ecological community and ultimately determine its form and survival. * Califonia state law defines environment as "the physical conditions which exist within the area which will be affected by a proposed project, including land, air, water, mineral, flora, fauna, noise, and objects of historic or aesthetic significance."

2. Environmental output
Environmental outputs are the desired or anticipated measurable products or results of restoration measures and plans.

3. Environmental Protection Agency (EPA)
The U.S. regulatory agency for biotechnology of microbes. The major laws under which the agency has regulatory powers are the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA); and the Toxic Substances Control Act (TSCA).

4. Environmental quality objective (EQO)
This is a regulatory value defining the quality to be aimed for in a particular aspect of the environment. Unlike an environmental quality standard, an EQO is not usually expressed in quantitative terms and cannot be enforced legally.

5. Environmental quality standard (EQS, ambient standard, air quality standard)
This regulatory value defines the maximum concentration of a potentially toxic substance which can be allowed in an environmental compartment, usually air (air quality standard - AQS) or water, over a defined period.

6. Environmental tobacco smoke
A complex mixture of chemical constituents and particulates released into the atmosphere from the burning tip of a cigarette, pipe or cigar or from smoke exhaled by the smoker.

7. Environmental variance
Within a population, the measure of how much of the variation of a particular phenotype is due to environmental factors (as opposed to variations in genotype - see genetic variance ). An example might be the height of a human as determined by such factors as nutrition or infectious diseases during childhood.

View web definitions »

Learn more about Environment »