3 Questions
What is the primary material of the endoskeleton in echinoderms?
Calcium-rich ossicles
What do the plates of the endoskeleton in echinoderms bear?
Spines
What do the ossicles provide for echinoderms?
Sites for muscle attachment and shell-like protection
Study Notes
Echinoderm Endoskeleton
- The primary material of the endoskeleton in echinoderms is calcium carbonate.
- The plates of the endoskeleton in echinoderms bear movable, calcium carbonate ossicles.
- The ossicles provide a flexible, yet protective, support structure for echinoderms.
Test your knowledge of echinoderms with this quiz! Learn about the unique characteristics of these marine animals, including their endoskeleton made of ossicles and other fundamental traits.
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