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Stack #4599876

QuestionAnswer
mantle 1.)The Semiliquid region between the crust and the core of earth. 2.)The outer layer of tissue that secretes the shell of molluscs
foot The muscular locomotory structure of molluscs
radula The ribbon-like band of teeth of molluscs
chitin the main component of the exoskeleton of many animals
valve Any of the two shells of bivalves and lamp shells
umbo The region around the hinge of a bivalve's shell.
siphon (funnel) The tube-like extension through which water flows in and out of the mantle cavity in bivalves and cephalopods, and in tunicates.
abyssal threads strong fiber secreted by mussels for attachment.
biofouling Unwanted settlement of organisms on submerged surface of boats,pilings, and other structures.
ink sac A gland found in some cephalopods that secretes a dark fluid used to discourage predators.
pen The reduced, thin shell of squids
crystalline style An enzyme-releasing rod in the stomach of bivalves.
open circulatory system A system where the blood or circulatory fluid is not contained in vessels and can flow into the body cavity.
Created by: artlol
 

 



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