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How are the nervous systems of a flatworm and a fish different?


One has a brain with a forebrain, a midbrain, and a hindbrain, and the other has ganglia in which integration can occur.


One has nerve cells with axons and the other does not.


One responds to stimuli in the environment and the other does not.


One is a loose network of connected neurons without centers of integration, and one has ganglia in which integration can occur.

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Sagot :

Answer:A flatworm has a simple nervous system with two nerve cords running down both of its sides. ... While a fish's nervous system is comprised of a central brain and a spinal cord along with many branching nerves, which allows them to sense things around them

Explanation:

A flatworm has a very mild nervous system with pair nerve cords moving down each side. It has two single brains called ganglia, which are pure packages of nerves. ... Fish have extremely advanced nervous systems organized around a brain.

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