360
edits
Line 81: | Line 81: | ||
''Location'' | '''Location''' | ||
# A room temperature of about 21 to 23 degrees Celsius is ideal for growing Euglenas. So this is going to be the new climate of my room. | # A room temperature of about 21 to 23 degrees Celsius is ideal for growing Euglenas. So this is going to be the new climate of my room. | ||
# Euglena needs light, but no direct solar radiation. I chose a suitable window which fulfills those conditions. | # Euglena needs light, but no direct solar radiation. I chose a suitable window which fulfills those conditions. | ||
Line 87: | Line 87: | ||
''Nutrition'' | '''Nutrition''' | ||
# Euglena is not able to produce vitamin B12 by itself. The absorption occurs by the phagocytosis. This lack can be compensated with a tiny piece of hard cheese or some wheat grain. | # Euglena is not able to produce vitamin B12 by itself. The absorption occurs by the phagocytosis. This lack can be compensated with a tiny piece of hard cheese or some wheat grain. | ||
# Because CO2 is required for the process of photosynthesis, it is recommended to add some stale mineral water from time to time. I will also use CO2 fertilizer for aquarium plants to see if this works as well. [http://www.schulbiologiezentrum.info/15.20%20Euglena%20Neufassung%20031203.pdf] | # Because CO2 is required for the process of photosynthesis, it is recommended to add some stale mineral water from time to time. I will also use CO2 fertilizer for aquarium plants to see if this works as well. [http://www.schulbiologiezentrum.info/15.20%20Euglena%20Neufassung%20031203.pdf] | ||
''Initial state'' | '''Initial state''' | ||
:: Before starting the experiment I checked under the microscope whether my Euglenas are still alive. In all three tubes (two with the medium I cooked and one with the „pure“ Euglenas I got for my work) they are moving. | :: Before starting the experiment I checked under the microscope whether my Euglenas are still alive. In all three tubes (two with the medium I cooked and one with the „pure“ Euglenas I got for my work) they are moving. | ||
Line 100: | Line 100: | ||
''Setup'' | '''Setup''' | ||
: I prepared six differnt vessels: | : I prepared six differnt vessels: |
edits