PR CO GR AD TABLE 15-10 Summary of the development of immunity in animals. (Modified from Stires, C (d d we li and Pa 'ta mo.) Immunologic Non^ . Phagocytic Specificity Immuno- specific Ameboid Leukocyte Graft of Graft logic Phago- Encapsu- Humoral Coelomo- Differen- Anti- Rejection Rejection Memory cytosis lation Factors cytes tiation bodies Protozoans Yes No No Yes No No No No No Poriťerans Yes Yes Yes No Yes No No No No Cnitliirians Yes Yes Yes No Yes No No No No Annelids Yes Yes Yes Yes Yes Yes Yes Probable No Mollusks Yes '} o Yes Yes Yes Yes No No Arthropods Yes <> 1 Yes Yes Yes Yes No No Ľchinodctms Yes Yes Yes Yes Yes Yes Yes Yes No TunicEUes Yes Probable Yes Yes Yes Yes Yes Yes No Vertebrates Yes Yes Yes Yes No Yes Yes Yes Yes