| 31. | This decreases the oxygen in the water column, lowering the dissolved oxygen level.
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| 32. | The cell achieves its height in the water column by synthesising gas vesicles.
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| 33. | Accordingly, its thickness depends on the extent of light attenuation in the water column.
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| 34. | Banded killifish have been observed to feed at all levels of the water column.
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| 35. | Carter Pond is also experiencing high levels of inorganic sediment in the water column.
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| 36. | Next, at platforms, smaller snapper occupy the upper water column.
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| 37. | The fish commonly are found in the upper water column near the surface waters.
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| 38. | It is a flagellated alga that is normally found suspended in the water column.
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| 39. | In stream water column, than among animals living on or in the sea floor.
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| 40. | Eggs and sperm are released into the water column where external fertilization takes place.
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