Answer;
There are many different kinds of symptoms that do not always appear in every person, and symptoms can fluctuate over time.
Step-by-step explanation;
Schizophrenia is a syndrome because there are many different kinds of symptoms that do not always appear in every person, and symptoms that can fluctuate over time.
Schizophrenia is a disorder characterized by the profound disruption of basic psychological processes; a distorted perception of reality; altered or blunted emotion; and disturbances in thought, motivation, and behavior