Phylum Mollusca
Sea Star/ Echinoderm
Echnioderm
Octopus
Snail
100
Soft Bodied
What Does "Mollusca" mean?
100
Sea Stars, sand dollars, sea urchins.
What are 3 examples of Echinoderms?
100
Vascular system.
What body system does ring, and radical belong to?
100
8
How many arms do octopus have?
100
Soft, usually.
Do mollusks have hard or soft bodies?
200
Bilateral
What is the symmetry of a mollusk?
200
Under the thin skin of the animal.
What is the endoskeleton?
200
It grows back very soon.
What happens if an octopus loses and arm?
200
2.
How many pair of tentacles does a snail have?
300
Gastropoda, Bivalvia, and Cephal opoda.
What are the three classes of mollusks?
300
Radical Symmetry.
What is the symmetry type?
300
In the center.
Where is the central disk?
300
Limpets.
What is an ancient ancestor of the octopus?
300
Apex.
Is the highest point of a snail's shell called the apex or lip?
400
Feeding tube, or rows of teeth that scrape algae.
What is the Radula or Siphon?
400
A perforated plate.
What is the madreporite?
400
Ventral.
Where is the mouth located on a sea star?
400
Touch.
What is their main sense?
400
Ocelli.
What are sense organs called?
500
Nephridia.
What word means kidneys?
500
Very tiny clawlike structures, that help keep them clean.
What are pedicellariae, and what do they do?
500
Top end of the tube foot structures.
What are the ampillae?
500
Mollusca, Cephalopoda.
What phylum and class do octopus belong to?
500
Their egg.
What is a baby snail's first meal?
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