Question: what are the three ocean life zones and what are the characteristics of each?
Answer: Epipelagic -Sunlight reaches this zone. ... 
Mesopelagic - Some light reaches this zone but not enough for photosynthesis to occur. ... 
Bathypelagic -No light reaches this depth. ... 
Abyssopelagic -Even fewer animals live in this zone. ... 
Hadalpelagic -Deep sea trenches are in the hadalpelagic zone.