Question
A diagram in the course handout shows that a stalked or feather-armed echinoderm filters food from water currents. Identify the related structure or process.
Correct Answer: D
sea lilies and feather stars
Crinoids include sea lilies and feather stars. They are suspension feeders and are considered among the more ancient-looking echinoderm forms. This MCQ belongs to the Crinoidea topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
Crinoids include sea lilies and feather stars. They are suspension feeders and are considered among the more ancient-looking echinoderm forms. This MCQ belongs to the Crinoidea topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
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