Mollusc Review Flashcards

1
Q

Gastropod

A

A mollusk with one shell and a broad muscular foot on its stomach side

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2
Q

Cephalopod

A

Molluscs that have tentacles and are highly motile; internal shell present;Intelligent; Carnivore

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3
Q

Polyplacophora

A

separate shell plates surrounded by thick membranous mantle; edible;open cir. system

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4
Q

Bivalvia

A

Molluscs where mantle manufactures the shell; soft bodied animals w 2 hard outer shells that open and close like a door

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5
Q

Radula

A

All mollusks except BIVALVES; used to scrape algae off rocks, can act as drill w/poison to pierce shells during full carnivore mode

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6
Q

Siphon

A

In all mollusks except Polyplacophora; used for exchanging of liquids and air (breathing, locomotion, feeding, repro.)

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7
Q

Funnel

A

Channels liquids or grainy substances into containers w/ small opening

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8
Q

Mantle

A

Thin, delicate that covers the body of the mollusk, like a cloak

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9
Q

Nacre

A

Lines the inner shell, coats particles and create a pearl

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10
Q

What class(es) are filter-feeders?

A

Bivalves

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11
Q

What class(es) are most intellgient

A

Cephalopoda

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12
Q

What class(es) make pearls

A

Bivalves

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13
Q

What class(es) are poisonous

A

Cephalopoda and Gastropoda

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14
Q

Class of Snail

A

Gastropoda

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15
Q

Class of Slug

A

Gastropoda

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16
Q

Class of Nautilus

A

Gastropoda

17
Q

Class of Cuttlefish

A

Cephalopoda

18
Q

Class of Oyster

A

Bivalvia

19
Q

Class of Scallop

A

Bivalvia

20
Q

Class of Nudibranch

A

Gastropoda

21
Q

Class of Mussel

A

Bivalvia

22
Q

Class of Conch

A

Gastropoda

23
Q

Class of Clam

A

Bivalvia

24
Q

Class of Abalone

A

Polyplacophora

25
Q

Class of Chiton

A

Polyplacophora

26
Q

Class of Squid

A

Cephalopoda

27
Q

Class of Octopus

A

Cephalopoda

28
Q

Characteristics ALL molluscs have

A

Bilateral Symmetry, invertebrate

29
Q

How pearls are made

A

When sand grins or foreign particles are covered in “mother of pearl” (material used to keep shell smooth)

30
Q

What are sequential hermaphrodites? Which classes does this apply to?

A

They produce sperm and eggs at different points in life or if there is not enough members of opposite sex; Gastropoda & Bivalvia