Mast, Samuel Ottmar, 1871- · New York, J. Wiley · leaf 193
. d. Orientation in light from two sources. — In the studyof orientation in light from two sources the larvae wereexposed on moist black paper just as in the preceding experi-ment, in a field of light composed of two small horizontal lyS LIGHT AND THE BEHAVIOR OF ORGANISMS beams, one from each of…
Light -- Physiological effect · Phototropism
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