Echinodermata (Sea urchins, sea stars, sea cucumbers, sea lilies)

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  • Created by: MariaC5
  • Created on: 26-04-18 20:55
Larvae Echinoderms display what kind of symmetry?
Bilateral
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Adult Echinoderms display what kind of symmetry?
Pentaradially
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Do echinoderms have a head?
No
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Motile echinoderms move equally well in all directions?
True
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What is the madreporite?
A small pore where water enters the system
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Do echinoderms have tube feet?
Yes
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Sea lilies are also known as
Crinoids
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What mode of life do crinoids have?
Sessile
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Feather stalks are a type of...
Crinoid
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Feather stars use their arms with feathery fringes for...
Both
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Sea urchins and sea cucumber are part of which major Echinodermata group?
Echinozoans
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Sea stars and brittle stars are part of what major group of Echinodermata?
Anthozoans
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Do Echinozoans have arms?
No
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In cross section Echinozoans look what shape in cross section?
Circular
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Are sea urchins covered in spines?
Yes
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What are sea urchin spines attached to?
Substrate
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What are spines in sea urchins used for?
Locomotion
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What do the arms of starfish house?
The gonads and digestive organs
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Do brittle starfish have flexible arms?
Yes
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What are brittle starfishes arms composed of?
Jointed, hard plates
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Other cards in this set

Card 2

Front

Adult Echinoderms display what kind of symmetry?

Back

Pentaradially

Card 3

Front

Do echinoderms have a head?

Back

Preview of the front of card 3

Card 4

Front

Motile echinoderms move equally well in all directions?

Back

Preview of the front of card 4

Card 5

Front

What is the madreporite?

Back

Preview of the front of card 5
View more cards

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