Light
Light
light microscope
compound light microscope
A compound microscope would be best if you want to see all the organisms in that drop. A simple microscope would not allow you to see as much.
A compound light microscope.
inexperienced biologists often have difficulties using a microscope to follow tiny organisms as they move about in a drop of pond water in a microscope slide because first of all those biologist are inexperienced and do not know how to use the microscope correctly to follow that organism in the pond water
light
Light
The cost of a drop of water.
Light
the stage is the small glass piece on the microscope.
What instrumentProbably a microscope.