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Coral reefs
Coral reefs are structures formed from the calcium carbonate secretions of corals. They are colonies of tiny animals in marine areas containing few nutrients.
Industry: Natural environment
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Coral reefs
Perradial canal
Natural environment; Coral reefs
One of four branched ciliated canals that originates directly from the stomach of scyphozoan medusae and moves partially digested food materials from the ring canal to the stomach.
Technology
Natural environment; Coral reefs
The creation of products and processes for the purpose of improving human chances for survival, comfort level, and quality of life.
Population density
Natural environment; Coral reefs
The number of organisms per unit area or volume.
Radiant energy
Natural environment; Coral reefs
Energy travelling in the form of electromagnetic waves; energy emitted by the sun, typically in photons and waves .
Photometric
Natural environment; Coral reefs
Of or relating to photometry; a more precise measurement of the brightness (intensity) of light, which can be digitised and calibrated.
Basic research
Natural environment; Coral reefs
Research conducted with the sole goal of obtaining knowledge; in contrast with applied research.
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