. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 354 J. E. PURCELL AND C. L. KITTING first set of behavioral observations showed a decline in fighting tentacle inflation over the course of the six day experiment. We use the term habituation to describe the observed decrease in response (fighting tentacle inflation) to a stimulus (non- clonemate contact). We have to assume that the quality of the stimulus is constant throughout the experiment. To test for habituation to nonclonemate contact, the number of anemones with inflated fighting tentacles per hour of observation was
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 354 J. E. PURCELL AND C. L. KITTING first set of behavioral observations showed a decline in fighting tentacle inflation over the course of the six day experiment. We use the term habituation to describe the observed decrease in response (fighting tentacle inflation) to a stimulus (non- clonemate contact). We have to assume that the quality of the stimulus is constant throughout the experiment. To test for habituation to nonclonemate contact, the number of anemones with inflated fighting tentacles per hour of observation was plotted for each day in two further sets of experiments (Fig. 4a). In one experiment, the number of anemones with inflated fighting tentacles per hour decreased from 14- "O £_ 1 Q_ <D .C \£. ° d IS JC «(1 10- (S) C Q) C .C < D) 8- 6- 4-. A u C 0) — c •«-• C O < u 1st 10- B 2nd L40 -20 234 Time (days) 6 FIGURE 4. a) Decrease in aggression among nonclonemates confined together. Correlations for the two experiments: (•) r = , P < ; (•) r = , P < Each point equals the mean of 48 anemones, b) Frequency of anemones in nonclonemate contact during the same experiments. No significant change occurred over 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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