TY - GEN AU - Rimer,Jacob AU - Cohen,Irun R AU - Friedman,Nir TI - Do all creatures possess an acquired immune system of some sort? SN - 1521-1878 PY - 2015///0406 KW - Adaptive Immunity KW - immunology KW - Animals KW - Humans KW - Immune System KW - physiology KW - Immunity, Innate KW - Species Specificity KW - Vertebrates N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1002/bies.201300124 ER -