1 The cell is the basic unit of all forms of life. However, there are several levels of cell organization within many multicellular organisms. Cells are arranged in hierarchical levels of organization.  The lowest form of organization is the cell followed by tissues, organs, and organ systems.
Distance between Kannur to Kottayam is 326 km by Road and 342 km by Rails. Aerial distance is 283 km.
The aerial distance from Ernakulam to Nagercoil is 237 km while the road distance between Ernakulam to Nagercoil is 294 km.By Train it is 272 Km.