উদ্ভিদউদ্ভিদ বিজ্ঞান
উদ্ভিদ প্লৱক (Assamese)
1. Phytoplankton () are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater ecosystems. The name comes from the Greek words φυτόν (phyton), meaning... from wikipedia.org