There are several types of microscopes: compound microscopes 0 the most commonly used microscope, uses light illumination and the image that is seen is two dimensional, stereoscope- uses light illumination and the image that appears is 3 dimensional, confocal microscope - uses laser light ,scanning electron microscope - uses electron illumination.
Sea snails help to keep the algae's population from growing to high. And the algae provides the sea snails with energy from the snails eating it as a food source.
