- Industry: Government
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NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Siphonophores are "colonial jellyfish" which have swimming bells at the top, and tentacles with stinging cells below that help them to catch their prey. Each individual of the colony is specialised for a different function, such as swimming, feeding and reproduction. Some siphonophores can be more than 10 metres long. They are in the phylum Cnidaria, class Hydrozoa and order Siphonophora.
Industry:Natural environment
The discipline of molecular biology that is concerned with the study of messenger RNA (mrna) molecules produced in an individual or population of a particular cell type .
Industry:Natural environment
The period between the formation of a cell by the division of its parent cell and the formation of two new cells by cell division.
Industry:Natural environment
When you have two competing theories which make exactly the same predictions, the one that is simpler is the better; also called "Occam's Razor".
Industry:Natural environment
A cell in the inner layer of the epidermis that produce melanin.
Industry:Natural environment
A filamentous tactile organ with an adhesive, sucker-like end near mouth of a tusk shell (mollusks in the class Scaphopoda).The captacula are used to gather small particles of food in the sand and pass them to the mouth.
Industry:Natural environment
A low-lying rocky island or reef, often without terrestrial vegetation, and frequently swept by waves.
Industry:Natural environment
A specified time spent at a specific depth as a scuba diver ascends from a dive for purposes of releasing nitrogen gas from the tissues (nitrogen off-gassing).
Industry:Natural environment
A very high-resolution type of scanning microscopy with resolution of fractions of a nanometer (one nanometer = one billionth of a meter); also called "scanning force microscopy (SFM)".
Industry:Natural environment
