| 1. | Mature sea pens provide shelter for other animals, such as juvenile fish.
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| 2. | RLuc was isolated from the sea pansy " bioluminescent sea pen.
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| 3. | A bilingual guide proudly pointed out the boulder-sized adults in a sea pen.
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| 4. | When touched, sea pens emit a bright greenish light; this is known as bioluminescence.
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| 5. | Most of the strays get out when storms or seals damage their floating sea pens.
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| 6. | Their primary predators are nudibranchs and sea stars, some of which feed exclusively on sea pens.
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| 7. | Some sea pens exhibit glide reflection symmetry, which is rare among non-extinct animals ( see ).
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| 8. | While generally sessile animals, sea pens are able to relocate and re-anchor themselves if need be.
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| 9. | Keiko's emergence in the sea pen marked his return to native Icelandic waters he left at age 2.
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| 10. | Similar fossils from the Ediacaran ( ala " Charnia " ) may represent the dawn of sea pens.
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मोबाइल