DIMORPHISM By N., Pam M.S. - April 7, 2013 When 2 members of the same species have 2 distinct forms that differin one or more features. See sexual dimorphism. DIMORPHISM: "Dimorhism is seen where there are 2 forms of a species." Related Psychology Terms BREED BREED CATEGORIZATION ALLOMONE INTERSPECIES INTERACTION SPECIES-SPECIFIC BEHAVIOR SEXUAL DEVIANCY FUSIONAL LANGUAGE SOCIAL BEHAVIOR SEXUAL PREFERENCE Cite this page: N., Pam M.S., "DIMORPHISM," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/dimorphism/ (accessed November 13, 2019).