Describes how organisms use or are affected by light, often for growth or behavior.

Light Interaction

'Photic' is commonly used in scientific fields like biology and ecology.

Scientific Usage

'Photic zone' specifically refers to the top water layer where sunlight penetrates.

Underwater Zones

 and one of the reasons for this is that they often feed at depth and then they come up to the surface and produce what biologists politely call large fecal plumes, huge explosions of poop right across the surface waters, up in the photic zone, where there's enough light to allow photosynthesis to take place,

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 sea creatures found deep in the ocean in a world of total darkness using ultra sophisticated photographic and sampling techniques scientists working for the census of marine life have inventoried an astonishing diversity of life beyond the oceans photic zone the part of the