Most algae live in water. Their structure is very simple, and each visible individual has no distinction between roots, stems, and leaves - it is a leaf-like body. The size of algae varies greatly. For example, diatoms living in the ocean are very small. They are phytoplankton among plankto...
When people think of bacteria, the first thing that people think of are probably those pathogenic bacteria that cause diseases and destroy lives. Therefore, it is inevitable to talk about bacteria. In fact, pathogenic bacteria are only a part of bacteria, and in the vast world of bacterial fa...