 Recognizing the distinction between evolutionary and physiological individuals commits one to a minimal form of pluralism about what populates that conceptual space. But there are also more radical forms that pluralism about biological individuals has taken in the literature.  Section 3.1  indicated that the emphasis on the collaborative nature of the interactions between biological individuals in Microbialism motivates Dupré’s promiscuous individualism, a position that invites a very liberal form of pluralism that makes biological individuality seem, at least partly, a function of our epistemic, practical, and other proclivities, rather than of just the structure of the biological world itself. 