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Marine Science > Ch. 9 Part 2 Test > Flashcards

Ch. 9 Part 2 Test Flashcards

1
Q

Characteristics of Mollusks

A
  • Presence of a shell
  • A ventral Foot - locomotion
  • Radula
  • Presence of a mantle
  • Most have gills
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2
Q

Periostracum

A

outer most layer of a shell - protein

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3
Q

Prismatic layer

A

middle layer of a shell – mostly CaCO3

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4
Q

Nacreous layer

A

CaCO3 but crystalline structure is
different and is formed in prismatic layers.

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5
Q
A
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Marine Science (9 decks)

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