Oceans have a complex food chains. Phytoplankton are producers. Zooplankton often eat the phytoplankton. A smaller fish tends to eat the zooplankton. This smaller fish might be eaten by a larger predator, such as a shark. When a shark dies, a bottom feeder, such as a sea slug could break down the shark's remains. a. The ocean food chain typically has a shark as the top predator.

b. The ocean is home to a variety of food chains.

c. A food chain typically has a shark as the top predator

d. Phytoplankton are at the bottom of the food chain