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[[File:staining-specimen1.jpg|250px | positive stain]] | [[File:staining-specimen1.jpg|250px | positive stain]] | ||
[[File:staining-specimen-negative.jpg|180px | negative stain]] | [[File:staining-specimen-negative.jpg|180px | negative stain]] | ||
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They are shaped like little trumpets and they are made up of a single cell but some of them are large enough to be seen by naked eye. Usually found in ponds or lakes (freshwater environments) and remarkable for their regenerative power. There are green, blue and amethyst colored species. | They are shaped like little trumpets and they are made up of a single cell but some of them are large enough to be seen by naked eye. Usually found in ponds or lakes (freshwater environments) and remarkable for their regenerative power. There are green, blue and amethyst colored species. | ||
[[File:stentor-a-trumpet-shaped-organism-with-interesting-behaviour.jpg|300px]][[File:Stentory.jpg|300px]] | |||
''18/11/2020'' | ''18/11/2020'' | ||
==='''Research: polarized light microscopy'''=== | ==='''Research: polarized light microscopy'''=== | ||