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''Day 3'' - adding CO2 to tube 3 and the Erlenmeyer flask; checking the vessels: | ''Day 3'' - adding CO2 to tube 3 and the Erlenmeyer flask; checking the vessels (-> the description of what I see under the microscope is always a delineation of a random specimen I took with the pipet): | ||
*Tube 1 - a lot of microorganisms; approximately the same amount of Euglena and Paramecia; fast movement | *Tube 1 - a lot of microorganisms; approximately the same amount of Euglena and Paramecia; fast movement | ||
*Tube 2 - a lot of microorganisms; more Euglena than Paramecia; fast movement | *Tube 2 - a lot of microorganisms; more Euglena than Paramecia; fast movement | ||
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''Day 5'' - The green deposit on the ground of tube | ''Day 5'' - The green deposit on the ground of tube 1 grows. Before taking a sample with the pipet, I shake the tube carefully. After about an hour the deposit settles on the ground again. | ||
<gallery> | <gallery> | ||
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*Tube 4 - only a few microorganisms; more Euglena than Paramecia; slower movement than in the other tubes | *Tube 4 - only a few microorganisms; more Euglena than Paramecia; slower movement than in the other tubes | ||
*Erlenmeyer flask - only Paramecia; fast movement | *Erlenmeyer flask - only Paramecia; fast movement | ||
*Beaker glass - a lot of Paramecia; few amount of Euglena; fast movement | |||
''Day 7'' - recognizing a green deposit on the ground of tube 2 as well; checking the vessels: | |||
*Tube 1 - only Euglena; high amount; fast movement | |||
*Tube 2 - only Euglena; high amount; fast movement | |||
*Tube 3 - approximately five single Euglena | |||
*Tube 4 - only a few microorganisms; more Euglena than Paramecia; slower movement than in the other tubes | |||
*Erlenmeyer flask - few amount of Paramecia; approximately five single Euglena | |||
*Beaker glass - a lot of Paramecia; few amount of Euglena; fast movement | *Beaker glass - a lot of Paramecia; few amount of Euglena; fast movement | ||
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