To test the temperature demands of poikilothermic animals. Using their thermoreceptors the animals recognize the temperature which suits them, gather in an area at the corresponding temperature (thermotaxis) and thus show their preferred temperature. To produce a temperature gradient between approximately 45°C and 10°C using a ring shaped temperature organ. To record the positions of the individual animals.
| Materiallist (Excerpt) |
Product |
Amount |
|
Temperature organ
|
65983-93
|
1
|
|
Immersion thermostat Alpha A, 230 V
|
08493-93
|
1
|
|
Bath for thermostat, Makrolon
|
08487-02
|
1
|
|
External circulation set for thermostat Alpha A
|
08493-02
|
1
|
|
Sea sand, purified 1000 g
|
30220-67
|
1
|
|
Lab thermometer,-10..+50C
|
38055-00
|
6
|
|
Hose clamp for 5-12 mm diameter
|
40997-00
|
8
|
|
Rubber tubing, i.d. 10 mm
|
39290-00
|
1
|
|
Rubber tubing, i.d. 8 mm
|
39283-00
|
2
|
|
Tubing connector, ID 6-10mm
|
47516-01
|
2
|