浮游生物是一群生活在水层区的动、植物,它体型微小,繁殖力强,主要包括浮游植物和浮游动物两大类。浮游生物是鱼类主要饵料。(一)浮游植物、包括细菌和藻类(1)水生细菌在水中繁殖数量极大,分布极广,个体极小的微型植物。它能将生物的尸体等有机物分解成水、二氧化碳和无机物成为植 Planktons are a group of animals and plants living in the aquifer area. They are small in size and fertile, and mainly include phytoplankton and zooplankton. Plankton is the main fish food. (A) phytoplankton, including bacteria and algae (1) Aquatic bacteria in the water to reproduce a large number, a very wide distribution, individual miniature plants. It decomposes biological organisms such as dead bodies into water, and carbon dioxide and minerals become plants