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Bio 241: Animal Biology > Lab: Sea Star Anatomy > Flashcards

Lab: Sea Star Anatomy Flashcards

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1
Q

What is #1 ? Function?

A

Aboral Surface; opposite oral side, contains anus

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2
Q

What is #2? Function?

A

Oral Surface, opposite aboral side, contains mouth

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3
Q

What is #3? Function?

A

Ray; movement and food consumption

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4
Q

What is #4? Function?

A

Central Disc; attachment point for 5 rays

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5
Q

What is # 5? Function?

A

Madreporite; entrance to W.V.S

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6
Q

What is # 6? Function?

A

Anus; excretion

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7
Q

What is #7 ? Function?

A

Eyespot; helps detect light in water

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8
Q

What is #8 ? Function?

A

Mouth; intake of food

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9
Q

What is #9 ? Function?

A

Oral Spines; guide food to mouth and keep other things out

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10
Q

What is #10 ? Function?

A

Ambulacral Groove; contains tube feet for movement

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11
Q

What is #11 ? Function?

A

Tube feet; movement and gripping prey

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12
Q

What is #12 ? Function?

A

Gonads; gamete production

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13
Q

What is #13 ? Function?

A

Pyloric Caecae; create digestive enzymes and absorb nutrients from food

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14
Q

What is #14 ? Function?

A

Cardiac Stomach; extends out of mouth and over digestible portion of meal

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15
Q

What is #15 ? Function?

A

Pyloric Stomach; release digestive enzymes for further digestion

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16
Q

What is #16 ? Function?

A

Rectal Bursa; store waste until released via anus

17
Q

What is #17 ? Function?

A

Stone Canal; connection point for madreporite

18
Q

What is #18 ? Function?

A

Polian Vesicle; maintain water pressure in central ring

19
Q

What is #19 ? Function?

A

Ring Canal; connects to external environment via stone canal

20
Q

What is #20 ? Function?

A

Radial Canal; run the length of each ray

21
Q

What is #21 ? Function?

A

Ampullae; connect to tube feet and contract to pull water in and push out

22
Q

What is #22 ? Function?

A

Nerve Ring; provides sensory input to interpret external stimuli

23
Q

What is #23 ? Function?

A

Radial Nerve; relay impulses from light, touch, and chemical sensors

24
Q

What is #24 ? Function?

A

Ossicles; provide support to body and protection

25
Q

What is #25 ? Function?

A

Water Vascular System; maintain water pressure, movement, eating

Bio 241: Animal Biology (26 decks)

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