- 行业: 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 taxonomy, a name placed within parentheses (after a generic name to denote a subgenus; after a genus-group name to denote an aggregate of species, or after a specific name to denote an aggregate of subspecies. Names used in this way are not counted as one of the names in a binomen or trinomen.
Industry:Natural environment
One of several small non-retractable fins located dorsally and ventrally between the second dorsal and anal fins and the caudal fin of scombroids (mackerals, tuna) and some other fishes, e.g., sauries and snake mackerals. Finlets appear to have a hydrodynamic function in fishes that have been studied for this character.
Industry:Natural environment
Sediments deposited by erosional processes, usually by streams.
Industry:Natural environment
The deflection of acoustic radiation in a scattering process through an angle greater than 90 degrees. Backscatter is the term commonly used to describe the return of energy from the seabed to the receiver in an active sonar.
Industry:Natural environment
The study of the genetic basis of ecological differentiation; the study of the genetic composition of populations in relation to their habitats.
Industry:Natural environment
A branching tubular network inhabited by pterobranch (Hemichordata) colonies that is secreted from glands in the oral shields of the zooids.
Industry:Natural environment
A liquid mixture in which the minor component, the solute, is uniformly distributed within the major component, the solvent.
Industry:Natural environment
