Marine ecosystem

The marine ecosystem consumes 70% of the earth. There are 4 zones. 3 of them are euphotic, bathyal, and abyssal. The euphotic zone goes down to 100 meters. The bathyal zone goes down from 100 to 3300 meters. The abyssal zone goes from 3300 to beyond. There are two types of fish: with jaws and without. Different animals live at different zones