Organisms Foraminifera Shell material (CaCO3 or SiO2) Heterotroph Organisms ForaminiferaShell material (CaCO3 or SiO2) Heterotroph or Autotroph What is Foraminifera Shell material is it CaO3 or SiO2 and is it a Heterotroph or Autotroph?Earth Science Science Oceanography OCE OCE1001