- 行业: Government
- Number of terms: 30456
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
A sensory structure in some jellyfish (Scyphozoa), associated with a rhopalium, which responds to touch (pressure); a fleshy lobe.
Industry:Natural environment
An anthozoan of the subclass Octocorallia, commonly called sea fans and sea whips.
Industry:Natural environment
Animals that live upon or are associated with substratum features.
Industry:Natural environment
Dense concentrations of particulate organic detritus and living organisms whose downward drift appears similar to a snowfall.
Industry:Natural environment
In fishes, teeth located on the bones in the pharynx, which is the posterior part of the oral cavity.
Industry:Natural environment
Made unfit for living organisms by excess addition of organic matter.
Industry:Natural environment
Radar that can measure radial velocity, the instantaneous component of motion parallel to the radar beam (i.e., toward or away from the radar antenna).
Industry:Natural environment
The area drained by a river or body of water; also called "drainage basin".
Industry:Natural environment
The knoblike anterior end of a tapeworm, having suckers and/or hooklets that, in the adult stage, serve as organs of attachment to the host organism.
Industry:Natural environment
