Echinoderm Quiz Flashcards

1
Q

Chaeta?

A

Long hairs

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2
Q

gnatha?

A

jaw

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3
Q

Xeno?

A

foreiner

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4
Q

Turbella?

A

Rotated

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5
Q

Derma?

A

Skin

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6
Q

Hemi?

A

Half

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7
Q

Homo?

A

Single

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8
Q

zoa?

A

Animal

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9
Q

placo?

A

plated

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10
Q

idea?

A

in the form of

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11
Q

Crino?

A

lilly

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12
Q

Astero?

A

Star

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13
Q

Holo?

A

complete

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14
Q

What is a homolozoa?

A

single animal
Has a cillary groove (eats microorganisms)
Suspension feeder (filter)

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15
Q

What is heleoplacoidea?

A

rotated plated in the form of
suspension feeder
3 cilliary grooves

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16
Q

What is Crinoidea?

A

lilly in the form of
ambulacar grooves (random arms movement)
Suspension feeder
Seditary (stays in place)

17
Q

What is Asteroidea?

A
star in the form of 
5 arm symmetry joined at a central disk
External digestion (carnovour)
18
Q

What is Ophiuroidea?

A

offering up in the form of
Arms lengthen and become more flexable to provide movement
Suspension feeders

19
Q

What is Echinoidea?

A

hedgehog in the form of
Arms fuse to form a ball
Ossicles lengthen for protection and movenment
Herbivour

20
Q

What is Holothuroidea?

A
Complete passage way in the form of
Minimized ossicles
Mussle wall thickens for structures and movement
Detritavour (eats decaying matter)
Uses excretory system to poo
21
Q

What two orders are extinct?

A

Homolozoa

Heleoplacoidea

22
Q

What is the other name for Crinoidea?

A

sea lilies

23
Q

What is the other name for Asteroidea?

A

sea star

24
Q

What is the other name for Ophiuroidea?

A

Brittle Star

25
Q

What is the other name for Echinoidea?

A

Sea Urichins

26
Q

What is the other name for Holothuroidea?

A

Sea Cucumber

27
Q

What is an ossicle?

A

boney; spikes

28
Q

What is the water vasscular system?

A

Water goes through the Madreporite (drain looking thing) through the stone canal where it is transported around the ring canal to all the 5 radial canals. It fills up ampulia (where water is held). When the sea star needs to move, water releases out of the ampulia.