Echinodermata (Phylum) – Multiple Choice Test
©Sheri Amsel • www.exploringnature.org
Name: _________________________ Date: __________ Class: _________________
1
All the following animals are
Echinoderms, EXCEPT:
5
A seaweed and kelp.
B clams, oysters and scallops.
C whales.
D fish.
A starfish
B octopus
C sand dollar
D sea urchin
E sea cucumber
2
Echinoderms are found in:
6
Echinoderms:
7
A are all radially symmetrical.
B have an internal skeleton called
endoskeleton.
C breathe through a kind of gills.
D all of the above.
4
Echinoderm adults:
A move on the sea floor on “tube feet”
B are free-swimming
C are attached to the sea floor (sessile).
D all of the above.
Starfish eat by:
A wrapping its arms around its prey and
squeezing.
B biting it into bits before swallowing it.
C pushing their stomach out of their
mouths to dissolve prey before eating it.
D They don’t eat.
A desert habitats.
B forest habitats.
C ocean habitats.
D all habitats.
3
Starfish eat:
To defend against predators, sea
urchins have:
A sharp spines.
B stinging tentacles.
C big teeth.
D none of the above.
8
Sand dollars and sea urchins have all of
the following, EXCEPT:
A Pores that form a flower pattern in
their skeleton.
B A flattened endoskeleton.
C Sharp spines they use to burrow in the
sand.
D All of the above.
Echinodermata (Phylum) – Multiple Choice Test KEY
©Sheri Amsel • www.exploringnature.org
Name: _________________________ Date: __________ Class: _________________
1
All the following animals are
Echinoderms, EXCEPT:
5
A seaweed and kelp.
B clams, oysters and scallops.
C whales.
D fish.
A starfish
B octopus
C sand dollar
D sea urchin
E sea cucumber
2
Echinoderms are found in:
6
Echinoderms:
7
A are all radially symmetrical.
B have an internal skeleton called
endoskeleton.
C breathe through a kind of gills.
D are all of the above.
4
Echinoderm adults:
A move on the sea floor on “tube feet”
B are free-swimming
C are attached to the sea floor (sessile).
D all of the above.
Starfish eat by:
A wrapping its arms around its prey and
squeezing.
B biting it into bits before swallowing it.
C pushing their stomach out of their
mouths to dissolve prey before eating it.
D They don’t eat.
A desert habitats.
B forest habitats.
C ocean habitats.
D all habitats.
3
Starfish eat:
To defend against predators, sea
urchins have:
A sharp spines.
B stinging tentacles.
C big teeth.
D none of the above.
8
Sand dollars and sea urchins have all of
the following, EXCEPT:
A Pores that form a flower pattern in
their skeleton.
B A flattened endoskeleton.
C Sharp spines they use to burrow in the
sand.
D All of the above.