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How nervous system of molluscs systematized

How nervous system of molluscs systematized?

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Molluscs have highly-sensitive sensory structures. It is accepted that the cephalopods, like squid and octopus, have eyes with image structure. Snails have antennae and pair of well-definite eyes. Bivalves don’t present eyes however they have tactile and cells photosensitive. The Cephalization is evident in molluscs and neurons concentrate in the ganglial pattern.

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