Plankton浮游生物 r Plankton: includes all living organisms both plants and animals that drift passively in the water. Their distribution is often patchy and determined by the movement of ocean currents and tides 1) phytoplankton浮游植物 drifting plants 2) zooplankton浮游动物 drifting animalsPlankton 浮游生物 Plankton: includes all living organisms both plants and animals that drift passively in the water. Their distribution is often patchy and determined by the movement of ocean currents and tides. 1）phytoplankton 浮游植物 drifting plants 2) zooplankton 浮游动物 drifting animals