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Nervous System and Sensory Capabilit ... Mollusks have a relatively complex nervous system, which varies from species to species reaching the height of complexity at the octopus. The octopus is thought to be among the most intelligent of all invertebrates, with a mental capacity likened to that of a domestic cat.
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infusion.allconet.org/webquest/PhylumMollusca.html
infusion.allconet.org/webquest/PhylumMollusca.html
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Characteristics of Mollusca:-; 1)Bilaterally symmetrical. 2)Body has more than two cell ... 6)Has a nervous system with a circum-oesophagal ring, ganglia and paired nerve chords. 7)Has an open circulatory system with a heart and an aorta. 8)Has gaseous exchange organs called ctenidial gills. 9)Has a pair of kidneys.
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www.earthlife.net/inverts/mollusca.html
www.earthlife.net/inverts/mollusca.html
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Mollusca - Wikipedia, the free encyclopedia
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Molluscs are animals belonging to the phylum Mollusca . There are around 93,000 recognized extant species, making it the largest marine phylum with about 23% of all named marine organisms. Represen...
en.wikipedia.org/wiki/Mollusca
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Any major body cavities, the coelom is limited to the heart area ... A nervous system highly developed in some, especially the organs of touch, smell, taste and vision ... All except the Cephalopoda have an "open" blood system (blood not confined to vessels).
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www.bumblebee.org/invertebrates/MOLLUSCA.htm
www.bumblebee.org/invertebrates/MOLLUSCA.htm
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Phylum Mollusca ... System Type ... Nervous A Mollusk has no formal nervous system, but has a series of ganglia that conduct impulses.
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www.virted.org/Animals/Mollusks.html
www.virted.org/Animals/Mollusks.html
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Decentralized nervous system. ... The arrangment of the central nervous sytem of echinoderms is quite different from that in other deuterostomes. Radial nerves run under each of the ambulacra, and contain the cell bodies of almost all motor neurons and interneurons.
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The Phylum Mollusca; ... Most molluscs have a well-defined nervous system with a primitive brain. Molluscs have a circulatory system and most have a two-chambered heart. Their digestive system usually includes a jaw, pharynx, esophagus, stomach, intestine and anus.
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www.manandmollusc.net/advanced_introduction/mollusca_10...
www.manandmollusc.net/advanced_introduction/mollusca_101_intro.html
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Most molluscs have a well-defined nervous system with a primitive brain. Molluscs have a circulatory system and most have a two-chambered heart. Their digestive system usually includes a jaw, pharynx, esophagus, stomach, intestine and anus. ... Now Let's Take a More Detailed Look at The Phylum Mollusca...
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www.manandmollusc.net/advanced_introduction/advanced_in...
www.manandmollusc.net/advanced_introduction/advanced_intro_printable.html
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Like humans the nervous system of a mollusca has its own system of nerve cells and fibers that send sensations to the brain and producing motor impulses to organs and muscles. In this second largest animal kingdom the nervous system of a mollusca is fairly complicated.
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www.forces-of-nature.net/topics/molluscum/Nervous_Syste...
www.forces-of-nature.net/topics/molluscum/Nervous_System_Of_A_Mollusca.htm
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