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Brach Zoology Exam 3
N/A
46
Other
Undergraduate 1
11/13/2011

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Term
Phylum Mollusca
Definition
Soft-bodied animals.
Term
Malacology
Definition
Study of Molluscs.
Term
Conchology
Definition
Study of shells.
Term
Largest invertebrate
Definition
Giant Squid.
Term
Mollusca Symmetry
Definition
Bilateral.
Term
Mollusca body plan
Definition
Tube.
Term
Mollusca digestive tract
Definition
Complete.
Term
Most molluscs are... (Monoecious/Dioecious)
Definition
Dioecious.
Term
Toungelike structure in molluscs
Definition
Radula.
Term
The structure that produces the shell in molluscs
Definition
The mantle.
Term
Also called the mother-of-pearl layer in molluscs
Definition
The nacre.
Term
Where does the calcium in molluscs come from?
Definition
Water, soil, or food.
Term
When does the shell first appear in molluscs?
Definition
During the larval period.
Term
Phylum called the "Segmented worms"
Definition
Annelida
Term
Earthworms and freshwater worms belong to class...
Definition
Oligochaeta
Term
Leeches belong to class...
Definition
Polychaeta
Term
Most annelids are members of class...
Definition
Polychaeta
Term
Another word for metamerism
Definition
Segmentation
Term
Each annelid segment is also called a...
Definition
Metamere or somite
Term
Fleshy, paddle-like appendages called ______ are characteristic for polychaetes only.
Definition
Parapodia
Term
Most annelids have bristles called ______ which may be long or short.
Definition
Setae
Term
Symmetry in Annelids is _______
Definition
Bilateral
Term
Body plan in Annelids is ______
Definition
Tube
Term
Contraction of ________ body-wall muscles in annelids causes a segment to shorten and to become larger in diameter.
Definition
Longitudinal
Term
Contraction of ________ body-wall muscles in annelids causes a segment to lengthen and become smaller in diameter.
Definition
Circular
Term
The body covering in annelids is a thin layer called the _____. It is produced by the underlying cellular layer called the ________.
Definition
Cuticle; epidermis
Term
Organisms in phylum _______ are commonly called the roundworms.
Definition
Nematoda
Term
How does man become infected with Ascaris?
Definition
Through ingestion of a life cycle stage.
Term
Common name for Necator?
Definition
Hookworm
Term
Common name for Enterobius?
Definition
Pinworm
Term
Common name for Ascaris?
Definition
Intestinal worm
Term
What is the most common worm parasite?
Definition
Enterobius (Pinworm)
Term
Is man a dead-end in trichinella's life cycle?
Definition
Yes
Term
What is the common name for Loa loa?
Definition
Eyeworm
Term
What causes elephantiasis?
Definition
Wuchereia
Term
The most common filarial worm in the United States is the Dirofilaria or _______
Definition
Dog heartworm
Term
Symmetry for Nematoda is _______
Definition
Bilateral
Term
Nematoda body plan is _____
Definition
Tube
Term
Class Monoplacophora is also known as...
Definition
One shell
Term
Class Polyplacophora is also known as...
Definition
Bearing many plates
Term
Class Scaphopoda is also known as...
Definition
Plow foot
Term
Class Gastropoda is also known as...
Definition
Stomach foot
Term
Class Bivalvia is also known as...
Definition
Having two valves
Term
The largest class in Phylum Mollusca is ________.
Definition
Gastropoda
Term
Texas state shell is the _______________.
Definition
Lightning Whelk
Term
Class Cephalopoda is also known as....
Definition
Head foot
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