- 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
Any specimen that serves as a basis of study and is retained as a reference. It should be in a publicly accessible scientific reference collection. A type specimen is a particular voucher specimen which serves as a basis for the taxonomic description of a species.
Industry:Natural environment
Fertilization of eggs by a subordinate male while the female and dominant male are spawning.
Industry:Natural environment
One of a series of scales that bear the pores and tubes of the lateral line system.
Industry:Natural environment
Rose-shaped in appearance; arranged in a fashion resembling a rose flower.
Industry:Natural environment
The -COOH functional group, acidic in nature, found in all amino acids; the acid group of organic molecules.
Industry:Natural environment
The number of disease cases within a population over a given period of time.
Industry:Natural environment
A band formed yearly on coral by the secretion of caco3; one yearly growth band contains two smaller bands representing winter growth and summer growth.
Industry:Natural environment
A developing embryo has spiral cleavage if, as it undergoes cleavage and changes from a four-cell embryo to an eight-cell embryo, the cells divide at slight angles to one another, so that the none of the four cells in one plane of the eight-cell stage is directly over a cell in the other plane. Spiral cleavage is characteristic of protostomes.
Industry:Natural environment
