Photic zone — Science definition
The sunlit upper layer of a body of water where there is enough light for photosynthesis.
Where it is taught
- Biomes & Aquatic Systems — Ecology, Populations & Biodiversity, Physics & Environmental Science, Grade 12
In use
The sunlit surface layer, the photic zone, is where nearly all ocean photosynthesis happens, powered by microscopic phytoplankton that form the base of marine food webs.
Biomes & Aquatic Systems