To remove salts and other chemicals from sea or saline water.
Divided or dividing into two parts or classifications.
A community of living organisms and their interrelated physical and chemical environment.
System for the transmission of information using electronic technology (e.g., digital cameras, cellular telephones, Internet, television, fiber optics).
The branch of biology dealing with the development of living things from fertilized egg to its developed state.
A species that is in danger of extinction throughout all or a significant portion of its range.
The application of scientific, physical, mechanical and mathematical principles to design processes, products and structures that improve the quality of life.
The total of the surroundings (air, water, soil, vegetation, people, wildlife) influencing each living being's existence, including physical, biological and all other factors; the surroundings of a plant or animals including other plants or animals, climate and location.
A protein that increases the rate of a chemical reaction without being changed by the reaction; an organic catalyst.
The ability of an ecosystem to maintain stability among its biological resources (e.g., forest, fisheries, crops) so that there is a steady optimum yield.
Of or relating to the design of equipment or devices to fit the human body's control, position, movement and environment.