The photic zone is the surface layer of a water body where organisms can photosynthesize. It is home to 90% of ocean life and its depth varies. The euphotic zone is important for ocean health and contains organisms that rely on light for energy. The aphotic zone beyond is home to creatures adapted to darkness […]
The photic zone receives light while the aphotic zone does not, and the size of the aphotic zone affects primary productivity. The aphotic zone begins where less than 1% of light penetrates and varies based on turbidity. The deep ocean aphotic zone is home to bioluminescent animals and is relatively deserted compared to the photic […]