sentence: Bacteria just appear as dark dots.
sentences_before: You can observe the larger unicellular organisms by using a compound microscope.
sentences_after: To gather unicellular organisms for observation, one can place a cover slip on the surface of pond water, and leave it overnight. By the next morning, numerous unicellular organisms will have grown entire colonies on the bottom of the slip.
concept_name: Bacteria
headings: Unicellular organism Observations
categories: Microbiology