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Zoo 101 > Mollusca > Flashcards

Mollusca Flashcards

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1
Q

secrets calcareous spicules or one or more shells

A

Mantle

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2
Q

cuticular band of teeth in the esophagus

A

Radula

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3
Q

Ventral body wall muscles develop into a

A

locomotory or clinging foot.

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4
Q

largest and most diverse phyla in the animal kingdom

A

Phylum Mollusca

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5
Q

Mollusca latin meaning?

A

Mollia - soft bodies

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6
Q

Molluscan Shell: outer organic layer

A

Periostracum

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7
Q

Molluscan Shell: middle calcareous layer

A

Prismatic layer

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8
Q

Molluscan Shell: innermost calcareous layer

A

Nacreous layer

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9
Q

Molluscan Shell are made up of?

A

Organic and inorganic compounds

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10
Q

grain of sand, parasite, or the other foreign particle becomes trapped between the mantle and the shell’s inner surface becomes?

A

Pearl

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11
Q

Usually houses the combmolluscan gill

A

Mantle cavity

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12
Q

It is called comb molluscan gill, known as ?

A

ctenidium

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13
Q

Function of mantle cavity?

A

Exit site for excretoy, digestive, and reproductive systems

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14
Q

Respiratory function or collection and sorting of food particles

A

Ctenidium

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15
Q

chemoreceptor/ tactile receptor located adjacent to the ctenidium

A

Osphradium

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16
Q

Feeding Apparatus:
Clue:
R
O
M
E

A

Radula
Odontophore
Mouth
Esophagus

17
Q

Odontophore- radular assembly + complex musculature

A

Buccal mass

18
Q

molluscs possess a feeding structure?

A

Radula

19
Q

Ribbon composed of?

A

Chitin and protein

20
Q

produced from a radular sac

A

Ribbon

21
Q

supportive cartilage-like structure

A

Odontophore

22
Q

What is feeding type of mollusca?

A

Rasping

23
Q

odonophore-radular assembly, together with its complex musculature

A

Buccal mass

24
Q

secretes acid and enzymes that allow these carnivores to bore through the shells of other molluscs.

A

accessory boring organ (ABO)

25
Q

Feeding in snails: conus striatus?

A

Lightning strike cabal - immobilization of prey

26
Q

Feeding in snails: conus geographus

A

nirvana cabal of toxins - stinging of neuromuscular paralysiz

Zoo 101 (2 decks)

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