| 21. | Previously oil was exported by using an oil tanker anchored to the sea bed.
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| 22. | The byssus is used by the clam to attach itself to the sea bed.
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| 23. | There is also a full cargo of eggs that lies on the sea bed.
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| 24. | Tom wakes up on the sea bed, where he finds himself still alive.
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| 25. | The pectoral fins are prehensile, helping the fish move along the sea bed.
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| 26. | The sea bed immediately surrounding it is approximately 2300 metres below sea-level.
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| 27. | "Flabellina verrucosa " grazes on sessile invertebrates on the sea bed.
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| 28. | This wrecked the front of the sub, sending it straight into the sea bed.
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| 29. | Deep-sea trawling lines can also move dormant bombs around on the sea bed.
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| 30. | The splinters fall to the sea bed where they are subjected to further wave action.
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