- Industry: 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
A sensory receptor which responds to potentially harmful stimuli; produces a sensation of pain.
Industry:Natural environment
A taxonomic group that is above an order and below a class or subclass.
Industry:Natural environment
Animals that inhabit the sandy or muddy surface layers of the ocean bottom, i.e., those that live buried or dig into the substrate.
Industry:Natural environment
Degeneration of a cell in which the nucleus shrinks in size and the chromatin condenses to a solid, structureless mass.
Industry:Natural environment
In fishes, one of several bones or cartilage with which the base of the rays of the median fins articulate .
Industry:Natural environment
Pycnogonids, or sea spiders, are benthic, marine arthropods, with a superficial resemblance to true spiders, to which they are probably only distantly related. They are carnivores and use a muscular pharynx to suck soft food into the gut. The mouth is at the end of a large proboscis. Digestion is intracellular and most feed on sponges, cnidarians, or bryozoans from which they suck fluids. There are no excretory organs, respiratory organs, or body cavity (coelom).
Industry:Natural environment
The area below the consolidated slope extending up to 1 km but no deeper than 50 m. A synonym of talus slope.
Industry:Natural environment
The irridescent innermost layer of a molluscan shell that is secreted by the mantle. It is also called the mother-of-pearl layer.
Industry:Natural environment
The removal of marine organisms from the environment at a level that is not sustainable. A reduction of this level would, in the medium term, lead to an increase in the total catch.
Industry:Natural environment
Two nitrogenous bases which form a "rung of the DNA ladder." A DNA nucleotide is made of a molecule of sugar, a molecule of phosphoric acid, and a base molecule. The bases are the "letters" that spell out the genetic code. In DNA, the code letters are A, T, G, and C, which stand for the chemicals adenine, thymine, guanine, and cytosine, respectively. In base pairing, adenine always pairs with thymine, and guanine always pairs with cytosine. In RNA, thymine is replaced by uracil.
Industry:Natural environment
