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Note: | Note: | ||
The concentration of Euglena is already visible. | The concentration of Euglena is already visible. | ||
Tube 1: The cheese seems to be magnetic. The area around the cheese is dark green, the medium around it is light green. As soon as I shake it the whole medium in the | |||
Tube 2: This tube only includes | Tube 1: The cheese seems to be magnetic. The area around the cheese is dark green, the medium around it is light green. As soon as I shake it the whole medium in the tube becomes light green | ||
Tube 2: This tube only includes liquid fertilizer. There is no clear concentration point. The medium on the bottom is more green than on the top. | |||
Tube 4: I never shaked this tube before taking a specimen because it has no cover. This time I stired it gently. Compared to the other times I observed it under the microscope, the amount of Euglena was significantly higher. That showed me that the highest concentration of organisms must be on the bottom of the tube. Probably because the cheese always sinks. | Tube 4: I never shaked this tube before taking a specimen because it has no cover. This time I stired it gently. Compared to the other times I observed it under the microscope, the amount of Euglena was significantly higher. That showed me that the highest concentration of organisms must be on the bottom of the tube. Probably because the cheese always sinks. | ||
Also | Also, whenever I take a specimen, put it on the specimen slide an wait a few minutes, the Euglena start to pile on the fringes of the medium. The middle turns into an an empty space. | ||
<gallery> | |||
File:day 13.JPG | |||
File:day 15.JPG | |||
File:Euglena border 1.JPG | |||
File:Euglena border 2.JPG | |||
</gallery> | |||
[[File:tube 1 day 15.mov]] | |||
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