- المجال: Government
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Planktonic organisms that spend their entire life cycle in the floating state, as contrasted with organisms, such as fishes, which spend only a portion of their life cycle (eggs, larvae) as members of the planktonic community.
Industry:Natural environment
The heating that occurs when gases such as carbon dioxide trap heat escaping from the Earth and radiate it back to the surface.
Industry:Natural environment
A complex molecule which is the main component of dietary and body fat. It is made up of a combination of glycerol and three fatty acids.
Industry:Natural environment
A green pigment present in green plants and cyanobacteria. Chlorophyll is essential in the transformation of light energy to chemical energy in photosynthesis.
Industry:Natural environment
A molluskan larva in which the foot, mantle and shell first make their appearance.
Industry:Natural environment
A sac, covered with nematocysts, that protrudes from below the sweeper tentacles or on the column of certain anthozoans.
Industry:Natural environment
A system in which no matter or energy can leave or enter from the outside.
Industry:Natural environment