- Industrie: Government
- Number of terms: 30456
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Refers to unmoving or unchanging. In chemistry, a substance which does not or rarely combines with other substances. In medicine, it means a substance that has little or no effect on the human body.
Industry:Natural environment
The central body cavity of sponges, which opens to the outside by way of the osculum.
Industry:Natural environment
The series of rows of flat teeth found in rays,skates and some sharks. They are used for crushing hard foods as mollusks and crustaceans; also called "pavement teeth".
Industry:Natural environment
A dark, fine-grained igneous rock composed of minerals rich in ferromagnesian silicates.
Industry:Natural environment
A large aggregation of cold-water corals with their associated fauna in terms of spatial coverage at a given locality.
Industry:Natural environment
A nutrient, such as a nitrate or phosphate, that is required by plants in relatively large quantities in order to undergo photosynthesis and growth.
Industry:Natural environment
A slender elongate sensory structure protruding from the lips or jaws of certain fishes, such as catfishes, goatfishes, drums, cods, and many deep-sea fishes. Barbels may appear singly or in groups. They are primarily tactile in function but may also bear tastebuds, allowing the fish to taste its environment.
Industry:Natural environment
