Seeing or photographing small features of cells, whether they be phytoplankton, bacteria, fungi, or parts of plants and animals, requires a microscope with excellent optics.
(they; be phytoplankton; ) (Seeing or photographing small features of cells; requires; a microscope with excellent optics)
they Seeing or photographing small features of cells
be phytoplankton requires
a microscope with excellent optics