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Table 1 Reduced efficiency of the phototactic movements after a longer dark period

From: How 5000 independent rowers coordinate their strokes in order to row into the sunlight: Phototaxis in the multicellular green alga Volvox

Period of Darkness Before Illumination
(min)
Spheroids in Area 1*
(%)
SD
(%)
0 100 2.5
0-10 97.3 3.1
10-20 86.5 8.7
20-30 87.7 3.3
30-40 84.5 1.3
40-50 81.5 4.1
50-60 67.2 11.7
60-70 65.2 6.1
70-80 63.8 11.1
80-90 61.9 13.6
  1. *The duration of the photoaccumulation assay was 30 s (n = 3 for each time period). The number of light-adapted spheroids accumulated in area 1 (setup B, Figure 3b) was set to 100%. These light-adapted spheroids correspond to 0 min in the dark. The light intensity during both the light adaptation and the photoaccumulation assay was 2.08 ╬╝mol m-2 s-1.