- المجال: Government
- Number of terms: 30456
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
One of the four bases in DNA that make up the letters ATGC, thymine is the "T". The others are adenine, guanine, and cytosine. Thymine always pairs with adenine.
Industry:Natural environment
The description of new taxa or alterations to the concept of previously described taxa which involve changes in the names of taxa.
Industry:Natural environment
The outermost layer of the Earth, consisting of relatively low-density rocks.
Industry:Natural environment
The unit of genetic map distance between two loci that show one (1) percent recombination.
Industry:Natural environment
A bucket with a see-through bottom made of glass or plexiglass. The transparent bottom is lowered below the water surface allowing the user to observe underwater features.
Industry:Natural environment
A feeding organ possessed by lophorates. It is a disk or horseshoe-shaped structure which surrounds the mouth and bears the tentacles of the Bryozoa (moss animals), Brachiopoda (lamp shells) and Phoronida (horseshoe worms). The tentacles are hollow (coelomic) and covered with cilia which generate water currents that draw food toward the mouth.
Industry:Natural environment
A species that has been destroyed or removed completely from a particular area, region, or habitat.
Industry:Natural environment
