Question

Flatworms have a concentration of nerve tissue and organs in one end of the body. what is the name of this characteristic,

Answer 1

This is called cephalization. In mammals, this cephalization occurs primarily in the head...brain, eyes, ears, mouth.

Answer 2

The correct answer is cephalization.

Step-by-step explanation:

Being a evolutionary feat, cephalization is umbrella term for concentration of sense organs such as eyes and ears, feeding organs such as mouth and nervous system such as ganglia, brain and cerebellum. For flatworms the ganglia concentrated in one end of the body which is "nerve tissue" in your question.