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Zoology
Flashcards
15
Other
12th Grade
12/04/2012

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Cards

Term
1.Visceral mass
2.Mantle
Definition
1. Containing most of the internal organs.
2. Outer wall of the mollusk
Term
Gills
Definition
External respiratory organs
Term
Periostracum
Prismatic layer
Nacreous layer
Definition
Thin organic coating
Middle layer of the shell
Inner layer of the shell
Term
Radula
Definition
Used too scrape food particles off the surface.
Term
Open circulatory system
Definition
Where the blood is not strained too closed vessels
Term
metanephridia
Definition
Remove metabolic waste
Term
Veliger
Definition
The final larval stage
Term
Torsion
Definition
The act of twisting
Term
Operculum
Definition
Secrete plate serves to close the aperture
Term
Apex
Definition
The top or highest part of something
Term
Siphon
Definition
A pipe or tube used to convey liquid
Term
Chromatophores
Definition
A cell or plastid that contains pigment.
Term
Hectocotylus
Definition
A modified arm used by male octopuses
Term
crystalline style
Definition
A transluscent rod-like structure
Term
Lamellae
Definition
A platelike tissue
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