| 11. | Sea cucumbers and the irregular echinoids have secondarily evolved diverse shapes.
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| 12. | In some cultural contexts the sea cucumber is thought to have medicinal value.
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| 13. | "There's 20 sea cucumbers and 10 starfish under this rock ."
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| 14. | They can also touch tide pool sea creatures like starfish and sea cucumbers.
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| 15. | Sea cucumbers are typically dioecious, with separate male and female individuals.
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| 16. | Until five years ago, he figured, he was the sea cucumber's only predator.
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| 17. | Of the 650 species of sea cucumbers, just 10 species have commercial value.
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| 18. | The main phyla of deuterostomes are the Echinodermata and sea cucumbers.
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| 19. | Sea cucumbers, which cleanse sand, are poached to feed Asian markets.
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| 20. | Also of note are the pearl banks of sea cucumbers and sea grasses.
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