A simple nervous system
A)must include chemical senses, mechanoreception, and vision.
B)includes a minimum of 12 effector neurons.
C)has information flow in only one direction: toward an integrating centre.
D)has information flow in only one direction: away from an integrating centre.
E)includes sensory information, an integrating centre, and effectors.

Question

Quizplus · Accepted Answer

A simple nervous system must include sensory information, an integrating centre, and effectors. It does not necessarily have to include all types of senses or a specific number of effector neurons. Information flow can be bi-directional or multi-directional in simple nervous systems.

A Simple Nervous System