Definition, Meaning & Synonyms
photic-zone
noun
/ˈfōtɪk zōn/
Definition
The photic zone is the upper layer of the ocean where sunlight penetrates, allowing photosynthesis to occur.
Examples
- The photic zone is typically up to 200 meters deep in clear ocean water.
- Coral reefs thrive in the photic zone due to the abundance of light and nutrients.
- Marine biologists study the different organisms that inhabit the photic zone.
Meaning
This zone is crucial for marine life because it is where light is available for phytoplankton and other organisms to produce energy.
Synonyms
- lighted zone
- sunlit zone
- illuminated layer
