The earthworm is a tube-shaped, segmented worm found in the phylum annelida. 8,000+ Fun stories. The nervous system of the earthworm is "segmented" just like the rest of the body. Annelid - Annelid - Nervous system: The nervous system of free-moving polychaetes is similar to that of oligochaetes. Its nervous system has a simple and sensitive nervous system. Solve related Questions.
They are commonly found living in soil, feeding on live and dead organic matter.
It consists of a dorsal brain, or supraesophageal ganglion, which is a discrete mass of nervous tissue in the prostomium; a pair of nerves united ventrally to form the ventral subesophageal ganglion; and paired nerve cords with one ganglion per segment.
View Answer. The "brain" is located above the pharynx and is connected to the first ventral ganglion. The brain is important for movement: if the brain of the earthworm is removed, the earthworm will move continuously. Ulrike Spörhase-Eichmann, Heribert Gras and Friedrich-Wilhelm Schürmann, Patterns of serotonin-immunoreactive neurons in the central nervous system of the earthworm Lumbricus terrestris L., Cell and Tissue Research, 10.1007/BF00217334, 249, 3, (625-632), (1987). 20,000+ Learning videos. 1 Verified Answer . 8,00,000+ Homework Questions. View Answer. Example Definitions Formulaes. SignUp for free. In earthworm, neurons are. 1 Verified Answer.
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Its cerebral ganglion, or brain, is connected to the ventral nerve cord, which runs the length of the whole body. If the first ventral ganglion is removed, the earthworm will stop eating and will not dig. Read the given statements and select the incorrect one. 10,000+ Fundamental concepts. Nervous System of Earthworm.
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