Acoelomates are characterized by
a) The absence of brain
b) The absence of mesoderm
c) A solid body without a cavity surrounding internal organs
d) A coelom that is not completely lined with mesoderm
Acoelomates are characterized by
a) The absence of brain
b) The absence of mesoderm
c) A solid body without a cavity surrounding internal organs
d) A coelom that is not completely lined with mesoderm