- Branża: Government
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
A map which delineates the form of the bottom of a body of water by the use of depth contours (isobaths).
Industry:Natural environment
A preimplantation embryo. The blastocyst consists of a sphere made up of an outer layer of cells (trophectoderm), a fluid-filled cavity (blastocoel), and a cluster of cells on the interior (inner cell mass).
Industry:Natural environment
A stage of embryonic development in which the cleaving cells (blastomeres) appear as a cluster of blastomeres without a cavity; precedes the blastula stage of embryonic development.
Industry:Natural environment
A wart-like projection; a small cylindrical projection arising from the corallum that contain calices.
Industry:Natural environment
In taxonomy, names of progeny of two individuals belonging to different taxa. Names given to hybrids are not normally available, as they are individuals, not populations, and hence not taxa.
Industry:Natural environment
A rubber or plastic shoe-like device attached to the feet to increase surface area for greater thrust while swimming; they may be open heeled or full-footed. Scuba divers prefer the open heel style, usually worn with booties .
Industry:Natural environment
