Many of the microscopic organisms that swarm and multiply in our ponds are clearly visible with an ordinary school microscope. A closer look at microscopic organisms may challenge existing ideas about the differences between plants and animals and reinforce key ideas about the importance of each in ecosystems. Reference/source : http://www.practicalbiology.org/areas/introductory/cells-to- systems/microscopic-organisms/ $nospace workethics.txt Remove …