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Biology > Mollusks And Annelida > Flashcards

Mollusks And Annelida Flashcards

1
Q

Molluska lifestyles

A

Sedentary, predatory, filter feeders

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2
Q

Molluska body cavity

A

True coelomates

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3
Q

Advantage of true coelomates

A

Keeps blood moving when moving

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4
Q

Trocohophore- what is it + advantage of having one?

A

Ciliated larvae. Allows for species dispersal.

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5
Q

Mollusca body regions

A

Visceral mass and head foot

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6
Q

Mantle

A

Shell that covers the visceral mass

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7
Q

Radula

A

Tongue w teeth

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8
Q

Gastropoda circulatory system

A

Open

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9
Q

Torsion

A

Twisting of body to keep the important stuff together

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10
Q

Hemolymph

A

Gastropoda blood

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11
Q

Where does gastropod blood pool?

A

Hemocoel

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12
Q

Bivalvia layers

A

Outer protective
Middle protective
Inner smooth

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13
Q

Adductor

A

Muscle that keeps the shell closed

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14
Q

Bivalvia lifestyle

A

Sedentary, filter feeders

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15
Q

Reproduction bivalvia- fresh vs marine

A

Fresh- internal

Marine- external

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16
Q

Toredo

A

Ship worm

17
Q

Scallop

A

Moves and has eyes

18
Q

Cephlapoda lifestyle

A

Predators

19
Q

Cephlapoda nervous system

A

Brain, eyes, emotions

20
Q

Cephlapoda- how are they predators?

A

Tentacles + nervous system

21
Q

Cephlapoda system

A

Closed System

22
Q

Obliochaeata- setae? Parapodia?

A

Few setae, no parapodia.

23
Q

Typhosole

A

Folding of intestinal wall to increase the surface area

24
Q

Nephridia

A

Excretory tubes

25
Q

Food pathway oblio

A

Mouth, pharynx, esophagus, crop, gizzard, intestine, anus.

26
Q

Oblio nervous

A

Ganglia, nervous cord, sensory structures

27
Q

Hirundinia- setae? Parapodia?

A

Neither

28
Q

Anticoagulant

A

Keeps blood from clotting

29
Q

Polychetae- setae? Parapodia? Uses

A

Setae- movement
Parapodia- gas exchange
Have both

30
Q

Polycheatae- why are predators?

A

Moves, strong jaws

31
Q

Polycheatea- trochophore or no?

A

Trochophore.

Biology (2 decks)

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