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Echinoderm Quiz

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Questions and Answers

What is the primary material of the endoskeleton in echinoderms?

Fibrous cartilage

Calcium-rich ossicles (correct)

Chitin exoskeleton

Silica-based plates

What do the plates of the endoskeleton in echinoderms bear?

Tentacles

Spines (correct)

Suckers

Eyes

What do the ossicles provide for echinoderms?

Sites for muscle attachment and shell-like protection (correct)

Sites for sensory perception

Protection against predators

Energy for locomotion

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.

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Description

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.