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Mollusca Vocabulary

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