. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 10 c si - 0 50 500 5000 Light intensity (lux) 50000. FIGURE I. (Left) Phototaxis in a horizontal light beam. A: Percentages of positively photatactic worms (n = 20). B: Time required for the positively responded worms to reach the illuminated end. Vertical bars: Standard deviation. FIGURE 2. (Right) Photograph taken by 30 s continuous exposure, showing a typical phototactic trail of an arrow worm in a thin tank (8 X cm, 6 cm deep). Light (5000 lux) entering from the right. Scale: I Please note that these images are


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 10 c si - 0 50 500 5000 Light intensity (lux) 50000. FIGURE I. (Left) Phototaxis in a horizontal light beam. A: Percentages of positively photatactic worms (n = 20). B: Time required for the positively responded worms to reach the illuminated end. Vertical bars: Standard deviation. FIGURE 2. (Right) Photograph taken by 30 s continuous exposure, showing a typical phototactic trail of an arrow worm in a thin tank (8 X cm, 6 cm deep). Light (5000 lux) entering from the right. Scale: I Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology