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Bio 102/ Schwartz > Phylum Echinodermata > Flashcards

Phylum Echinodermata Flashcards

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Biology 101 flashcards
1
Q

What does the name “Echinoderm” mean?

A

“Spiney Skin”

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2
Q

What is the water vascular system used for?

A

Locomotion

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3
Q

What class are sea stars in?

A

Asteroidea

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4
Q

What kind of symmetry do sea stars have?

A

Pentaradial symmetry

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5
Q

What phylum is the sea stars in?

A

Phylum Echinodermata

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6
Q

Where is the Great Barrier Reef located?

A

Australia

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7
Q

What is causing the death of the reef?

A

The Crown of Thorns

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8
Q

How many arms does The Crown of Thorns have?

A

10-14 arms

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9
Q

What is the natural predator of the starfish?

A

The Triton Snail

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10
Q

What is the class called with Urchins and Sand Dollars?

A

Class Echinoidea

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11
Q

Organisms in the Class Echinoidea have ______ spines and no _____.

A

elongated; arms.

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12
Q

What do organisms in the Class Echinoidea move with?

A

Tube feet

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13
Q

What class have more of commercial value?

A

Class Echinoidea

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14
Q

What organism is in the Class Holothuroidea?

A

Sea Cucumbers

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15
Q

What do sea cucumbers use for defense?

A

Red anal tubes

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16
Q

Are sea cucumbers herbivore, carnivore, and saprovore?

A

Saprovore

17
Q

What is the largest echinoderm?

A

Sea cucumbers

18
Q

What is the nerve cord support for Phylum Chordata?

A

Notochord

19
Q

What subphylum has the sea squirt in it?

A

Subphylum Urochordata

20
Q

What subphylum has the lancelet in it?

A

Subphylum Cephalochordata

21
Q

What subphylum contains vertebrates in it?

A

Subphylum Verterbrata

22
Q

What’s another name for Sea Squirts?

A

Tunicates

23
Q

What’s the shape of the body called for Subphylum Cephalochordata?

A

A “Lancelet”

24
Q

What is the earliest fish known as?

A

Ostracoderms

25
Q

For the Sub. Cephalochordata, what are the gills slits and cilia are used for?

A

Used for filter feeding; NOT used in cellular respiration.

26
Q

What is Ichthyology?

A

The study of fishes

27
Q

For the Sub. Vertebrata, what are the gills and lungs used for?

A

Gas exchange

28
Q

For the Sub. Vertebrata, what is the Notochord replaced with?

A

By a vertebral column.

Bio 102/ Schwartz (7 decks)

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