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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Divided by parallel planes, e.g., zonate tetraspores, found in certain species of red algae.
Industry:Natural environment
In mollusks, the structure found on the animal's ventral side, that consists primarily of muscle, and is modified for locomotion, food gathering, and digging .
Industry:Natural environment
The cast off exoskeleton and related body parts left behind after moulting.
Industry:Natural environment
The main stem of a colonial hydrozoan which consists of a cylindrical tube of living tissue (coenosarc) covered by a thin outer membrane (perisarc).
Industry:Natural environment
The separation of one cell into two daughter cells, involving both nuclear division (karyokinesis) and subsequent cytoplasmic division (cytokinesis). Genetically, the daughter cells are identical to the mother cell (mitosis); however, in gametogenesis (meiosis), the resultant daughter cells (gametes) have the chromosome number reduced by one-half.
Industry:Natural environment
A cuticular hair arising from the outside of the exoskeleton of an invertebrate.
Industry:Natural environment
A laboratory instrument that measures the mass-to-charge ratio of individual molecules that have been converted into ions. This information is then used to determine the masses of the molecules.
Industry:Natural environment
