Biological defense mechanisms Category page Create Classic editor Talk0 This page needs content. You can help by adding a sentence or a photo. Add to this page!orSearch for "Biological defense mechanisms" “ Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Apparent death Pages in category "Biological defense mechanisms" This category contains only the following page. A Apparent death Retrieved from "http://psychology.wikia.com/wiki/Category:Biological_defense_mechanisms"