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Questions and Answers
Which class do sea urchins belong to?
What is the primary diet of sea urchins?
How many species of sea urchin are there?
How deep can sea urchins be found in the ocean?
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What is the symmetry of adult sea urchins?
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Study Notes
Sea Urchin Classification
- Sea urchins belong to the class Echinoidea.
Sea Urchin Diet
- Sea urchins are primarily herbivores, with algae being their main food source.
Species of Sea Urchins
- There are approximately 950 species of sea urchins.
Habitat and Depth
- Sea urchins can be found in oceans worldwide, from shallow tide pools to depths of up to 6,500 meters (21,325 feet).
Body Symmetry
- Adult sea urchins exhibit pentagonal (five-part) radial symmetry.
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Description
Test your knowledge about sea urchins with this quiz! Learn interesting facts about these spiny echinoderms that inhabit the world's oceans. From their spherical shells to their unique spines, discover the fascinating characteristics of sea urchins and their diverse species.
