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The nerve cord in an earthworm performs the same task as the nervous system of any animal. The function of the nervous system is to bring sensory information to the brain, where it is processed. Then, the brain sends signals to the body via the nervous system and those signals cause the animal to move.
The earthworm doesn't have a brain per see, but its nervous system features a brain like pair of cerebral ganglia which is located above and in front of the pharynx.
hydraMany lower invertebrates lack a brain but do possess a central nervous system. These include jellyfish, starfish, and sponges.
Earthworms do have a brain.
An earthworm has a paired brain attach to it nerve cord, that flows to its ganglia. The Clitellum ( the ring or band on the worm) is were the worm senses things. An earthworm can also not feel pain.
segmented
The nervous system The central nervous system
An earth worm demonstrate cephalization through an an enlarged ganglion that acts as a simple brain. One particular part of the earth worms nervous system, an enlarged ganglion, does act as a simple brain, and it is located in the anterior portion of the earthworm's anatomy. Hence, the earthworm exhibits cephalization.
Central nervous system. In fact, the brain is the CENTER of the central nervous system.
nervous system
The brain.
The Nervous Organs in an Earthworm include: * The brain * The ventral nerve cord I hope this informaton is helpful to you!! =)