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Mollusks Ziology

QuestionAnswer
What does the phylum name Echinodermata mean? Spiny skin
What is the class of mollusks that contains two shells? Bivalvia
What type of symmetry does an adult echinoderm have? Radial Symmetry
What is the only echinoderm that is sessile? Sea Lilies
Which echinoderm use its rays rather its tube feet for movement? Brittle Stars
Which echinoderm has quills? Sea Urchin
What are two ways the cephalopoda class defends itself? 1) Camouflage 2) Expel ink
Which is the only echinoderm with eyespots? Starfish
What is the freshwater clam called? Mussel
Which 2 features is the phylum Mollusca categorized by? Foot position and shell
What structure is used by mollusks for movement? Muscular Foot
What cephalopod is shelled? Chambered Nautilus
How does a sea cucumber protect itself? Shooting its organs out of the anus
The madreporite is also known as the what? Sieve Plate
What does the phylum name Mollusca mean? soft bodied
Which class do snails and slugs belong to? Gastropods
What is the most advanced and active of all the mollusk classes? Cephalopoda
Are starfish carnivores, herbivores, or omnivores? Strictly carnivores
What is the class of mollusks that contains either one or no shells? Gastropods 2
What are the 4 basic parts of a mollusk? 1) Mantle 2) Radula 3) Visceral Mass 4) Shell
Which class contains eight dorsal plates, ex: the chiton? Polyplacophora
What kind of body plan do mollusks have? Coelomate
What is considered the most primitive class of mollusks? Polyplacophora
Which class of squid and octopus from? Cephalopoda 2
Which class of mollusks filter feeds? Bivalvia-oyster, clam, scallop, mussel
What is the pathway (in order) of the water vascular system? 1) Madreporite 2) Stone Canal 3) Ring Canal 4) Radial Canal 5) Ampullae 6) Tube Feet
In bivalves, what secretes the mucus that forms the shell? Mantle
What does the madreporite do? It is a disc shaped opening in the body where water enters and exits.
What is the decaying matter called that drifts to the ocean floor and serves as food for the echinoderms? Detritus
What is a mollusks shell made up of? Calcium Carbonate
Created by: timicia
 

 



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