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Echinoderms
Test Description: Echinoderm Quiz
Instructions: Answer all questions to get your test result.
1) What does the word echinoderm mean?
A
furry skin
B
spiny skin
C
soft skin
D
hairy skin
2) How many years have Echinoderms existed?
A
10 million
B
500 million
C
5 million
D
100 million
3) Which echinoderm adaptation makes them more advanced than any other invertebrate?
A
tube feet
B
exoskeleton
C
endoskeleton
D
pentaradial symmetry
4) What is the correct order for water flow entering a sea star?
A
madroporite, ring canal, stone canal, radial canal, lateral canal, tube feet
B
madroporite, stone canal, ring canal, radial canal, lateral canal, tube feet
C
stone canal, ring canal, radial canal, tube feet, madroporite
D
tube feet, madroporite, ring canal, stone canal, radial canal
5) Which echinoderm structures aid in movement, feeding and respiration?
A
tube feet
B
gills
C
antennae
D
swimmerets
6) What type of body plan do echinoderms have?
A
bilateral symmetry
B
pentaradial symmetry
7) Which structures are found in the central disk of a sea star?
A
digestive glans and stomach
B
mouth and gonads
C
mouth and stomach
D
digestive glands and gonads
8) Which are the oldest Echinoderms?
A
crinoids
B
sea urchins
C
sea cucumbers
D
brittle stars
9) Which structure lies between the bivum rays?
A
ampullae
B
madroporite
C
stone canal
D
ring canal
10) Which echinoderm is elongated and can regenerate its internal organs?
A
sea cucumber
B
sea urchin
C
sand dollar
D
brittle star
*select an answer for all questions
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