| 11. | The embryos are brooded there before being released as planula larvae into the water column.
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| 12. | The egg hatches in the digestive system of the intermediate host, producing a planula larva.
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| 13. | The fertilized egg develops into a planula, which settles and grows into a single polyp.
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| 14. | Fertilised eggs develop into planula larvae.
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| 15. | A few omit the planula, polyp and ephyra phases and produce new medusae directly from eggs.
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| 16. | Planula larvae swim with the aboral end ( the end away from the mouth ) in front.
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| 17. | The planula larvae drift with the currents before settling on the seabed and undergoing metamorphosis into polyps.
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| 18. | The resulting embryos develop into planula larvae which one to three weeks later settle on the seabed.
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| 19. | After fertilisation, a planula larva forms which later develops into a cubopolyp with a few tentacles.
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| 20. | The eggs develop into planula larvae which drift with the current before settling and growing into new individuals.
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