WORKSHEET.docx - WORKSHEET Research question and...

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WORKSHEET: Research question and investigation plan Behavioral Response: Light “The day-night light cycle hasbeen shown to affect the chromatophore rhythm of fiddler crabs (Brown and Webb 1949) and the locomotor activity of cockroaches (Gunn 1940). Since rate of activity is an integral part of behavior, knowledge of temperature and light effects on behavioral activity of H. oregonensiswas considered basic to the investigation of behavioral changes caused by other alterations of the environment.” (page 580) The article discusses the behavioral differences of the crabs diurnal activities Diurnal: During the day - hence when there will be the most light An increase of digging was noticed, although it was not significant (P>0.05) – significance of light allows crabs to be more active According to Juneau et al, different intertidal organisms experience a decrease of excitement when in lower light conditions. (page 100) Through my research, I can conclude that the presence of light is significant to the activities of a green shore crab. This relates to the survival of the
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  • Spring '16

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