In the case of physical illness, the boundary lines between normality and pathology are often clearly de lineated by medical science, making it easier to diagnose. On the psychological lever, however, we have no ideal model to use as a base of comparison, nothing to help us distinguish ...
The spermatophore is composed of four distinct parts (Fig.1). Although their shapes and proportions can be extremely variable, each part has the same function in all taxa: (1) the pedicel is used to glue the spermatophore to the substrate, (2) the stem is composed of soft membranes and ...