- Industria: Government
- Number of terms: 30456
- Number of blossaries: 0
- Company Profile:
NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
In fishes, a superficial or internal organ which complements the gills in respiration when the fish is in poorly oxygenated water or in air.
Industry:Natural environment
Products used in the aquarium trade. Coral rock is consolidated material, greater than 3 cm in diameter, formed of fragments of dead coral and which may also contain cemented sand, coralline algae and other sedimentary rocks. 'Live rock' describes pieces of coral rock to which are attached live specimens of invertebrate species and coralline algae.
Industry:Natural environment
The appearance or characteristics of one organism that copies or "mimics" another in order to gain some advantage; the organism may resemble some other natural object as an aid in concealment.
Industry:Natural environment
The internal, usually calcium carbonate skeletal rod of sea fans (Gorgonacea) and sea pens (Pennatulacea).
Industry:Natural environment
The relatively shallow water zone that extends from the high tide mark to the edge of the continental shelf.
Industry:Natural environment
Travel undertaken to experience sites or regions of unique natural or ecological quality, or the provision of services to facilitate such travel.
Industry:Natural environment
A conjugated protein composed of nucleic acid and protein; chromosomes are composed of nucleoproteins.
Industry:Natural environment
A group of proteins that are present in the cells of all living organisms. They are induced when a cell is exposed to various types of environmental stresses, e.g.,heat, cold and oxygen deprivation. Heat shock proteins are also present in cells under normal conditions, assisting in other cellular protein functions and behavior. They also trigger immune responses through both intracellular and extracellular activities; also called stress proteins.
Industry:Natural environment
A muscular contraction in which tension is constant while the length of the muscle changes.
Industry:Natural environment
