The First Central Nervous System Appeared in Flatworms

question 32

True/False

The first central nervous system appeared in flatworms.

---

Definitions:

Gregarious

Describing a person or animal that enjoys being in social groups and often seeks the company of others.

Normative-stage

A concept in psychology that suggests individuals go through predetermined stages of development based on societal norms.

Normative-sequential

A developmental concept indicating that certain behaviors and milestones tend to occur in a specific, predictable order as individuals age.

Social Clock

The culturally preferred timing of major life events, such as marriage, parenthood, and retirement.