photic
Adjective
Meaning
Relating to the production of light by the lower animals.
Source: Webster's dictionarySynonyms
Antonyms
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Examples
About 90% of all marine life lives in the photic zone.
Another adaptive use of fluorescence is to generate red light from the ambient blue light of the photic zone to aid vision.
Biologically functional fluorescence is found in the photic zone, where there is not only enough light to cause biofluorescence, but enough light for other organisms to detect it.
Recent work has shown that some of the Ediacaran assemblages (e.g. Mistaken Point ) were in deep water, below the photic zone, and that the organisms were not dependent on endosymbiotic photosynthesisers.
The lower photic zone is high in nutrient concentration, low in light intensity and penetration and relatively cool.
The middle photic zone is an area that contains the same values in between that of the lower and upper photic zones.