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Mollusks and Annelids

Across
External bristles on annelids
Class earthworms belong to
Thickest section of the earthworm
Circulatory fluid in mollusks
Five pairs of muscular tubes that link dorsal and ventral blood vescles
Gills of a mollusk are here
Thick muscular part of the gut
Animals such as worms
Main feeding adaptation of many mollusk
Fleshy protrusions on annelids
Blood cavity in mollusks
Down
Covers visceral mass
Heart, organs of digestion, excretion, and reproductive organs above the head-foot
Means many bristles and is two thirds of the annelids
Members of the cephalopada class
Members of the gastropoda, the largest and most diverse class of mollusk
Animals such as snails, clams, and cephalopods
Smallest class of annelids and is only leaches
Paired clusters of nerve cells
Excretory tubes for eliminating wastes
Members of the bivalvia class