" Plankton- Plankton are drifting organisms that live in the surface layers of the ocean. They live in the top layer of the ocean, called the epipelagic zone. They are not strong enough to swim against ocean currents. The term is in contrast to nekton, who can control their movements. There are three groups." Amphipods- The Amphipods are an order of malacostracan crustaceans. They have no carapace." kirll facts- Krill is defined as a zooplankton. They eat phytoplankton or algae during winter which is at the very bottom of the food chain. All other species in the oceans eat krill or species that feed on krill, meaning that krill is vital for life."
