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Mollusca Vocabulary

Name: ___________________
Date: ____________________
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Across
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Joined by a hinge composed of tiny "teeth" and usually also an elastic ligament
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Respiratory organs that function as modified gills
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Membrane surrounding the visceral mass
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Large _______ muscles between the two valves hold them closed
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Contains the digestive tract, paired kidneys, and reproductive organs
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composite material produced by some mollusks as an inner shell layer
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muscular mantle and its cavity create _________ used in locomotion
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Having 3 germ layers
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Pair of nerve cell bodies
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Latin word meaning "soft" after their soft bodies
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Two pairs of ______ link the cerebral ganglia
Down
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Animal that belongs to the class Polyplacophora
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tongue-like organ that is found in all mollusks except bivalves
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Ligament that holds two halves of a shell together
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________ glands produce secretions used to paralyze the prey
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Space in a mollusk that houses respiratory organs
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Type of symmetry meaning "divisible into symmetrical halves"
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Pair of organs that remove metabolic wastes from the animal’s body
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________ larvae are minute, translucent, and have a prominent circlet of cilia
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Most mollusks have a(n) ______ circulatory system - it flows through vessels in some parts of the body
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Final larval stage with two ciliated flaps for swimming and feeding.