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Phylum Echinodermata - Statistics

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  • This quiz has been taken 2 times
  • The average score is 17 of 17
Answer Stats
Hint Answer % Correct
Which class contains the sea stars? Asteroidea
100%
What makes irregular echinoids unique? Biradial symmetry, flat, fur-like spines, no podia
100%
Which class contains the sea daisy? Concentricycloidea
100%
Which class contains the sea lilly and feather stars? Crinoidea
100%
Which class contains the urchins and sand dollars? Echinoidea
100%
Which class contains the sea cucumbers? Holothuroidea
100%
What do serpent stars primarily use their arms for? Locomotion
100%
What is the name of the visible spot on the aboral end of an echinoderm? Madreporite
100%
Where have sea daisies been found? On sea logs
100%
Where are the ambulacral grooves? On the oral-side arms
100%
Which class contains the basket stars and serpent stars? Ophiuroidea
100%
What have sea cucumber tube feet evolved into? Oral tentacles
100%
Name for the spines of the internal skeleton Ossicles
100%
How do sea cucumbers facilitate respiration? Respiratory trees
100%
What kind of symmetry do echinoderms primitively have? Secondary pentamerous radial symmetry
100%
What do echinoderms use for locomotion? The water-vascular/ambulacral system
100%
What determines whether or not a crinoid is motile or sessile? Whether it is stalked
100%
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