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Biology > Echinoderms > Flashcards

Echinoderms Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

means spiny skinned

A

Echinoderm

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2
Q

A Skelton inside for support and structure

A

Endoskeleton

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3
Q

a defensive organ

A

Pedicellariae

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4
Q

perforated plate by which the entry of seawater into the vascular system

A

Madreporite

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5
Q

runs through a sea stars arms part of its water vascular system

A

Radial canal-

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6
Q

a circle canal under the plate of the sea stars center

A

Ring Canal

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7
Q

facncy arm name for a seastar

A

ray

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8
Q

symmetry around a central axis

A

radial cemetery

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9
Q

divisible into symmetrical halves on either side of a unique plane

A

bilateral Cemetery

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10
Q

the water pump system in a sea star

A

Water vascular system

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11
Q

extends from the mouth to the end of each ray or arm.

A

Ambulacral

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12
Q

a small piece of calcified material forming part of the skeleton of an invertebrate animal

A

ossicles

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13
Q

limit the passage of large food particles or undigested material into the intestine.

A

pyloric stomach

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14
Q

reproductive glands in a sea star

A

gonads

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15
Q

starfish uses uses this special tube to move

A

tube feet

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16
Q

External Fertilization

A

External fertilization is a male organism’s sperm fertilizing a female organism’s egg outside of the female’s body.

17
Q

to regrow a removed limb

A

regeneration

18
Q

5 limbs thicker / dissected

A

sea star

19
Q

large poky looking ball eats kelp

A

sea urchin

20
Q

round shell found on beach

A

sand dollar

21
Q

fluffy looking plant

A

sea Lilly

22
Q

looks like a feather sea star

A

feather star

23
Q

leather poky skinnked looking worm

A

sea cumber

24
Q

looks like underwater sunflowers

A

sea daisy

25
Q

Pyloric Caecum-

A

This organ with fingerlike projections is located near the junction of the stomach and the intestines. Its function is not entirely understood, but it is known to secrete enzymes that aid in digestion

26
Q

which is a sack like stomach located at the center of the body may be everted

A

Cardiac stomoch

27
Q

store the water

A

Ampulla

28
Q

located in the center contains the mouth of the starfish

A

Central Disc-

Biology (12 decks)

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