| 21. | Here, the water surrounded organisms as they grew, along with plant debris which had been accumulated.
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| 22. | They may survive by feeding on algae and / or plant debris when insects are unavailable.
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| 23. | Adults of both species overwinter in plant debris.
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| 24. | They often feed on plants and fungi, break down animal and plant debris, and eat other invertebrates.
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| 25. | They often fill in rock fissures with excrement mixed with plant debris to form an insulated wall.
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| 26. | This causes slow decomposition, and thus the plant debris gradually accumulates to form peat and eventually muskeg.
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| 27. | You mix the sludge with plant debris and incubate it in heaps up to 15 meters high.
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| 28. | Collect all plant debris in a bucket.
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| 29. | Plant debris can get stuck in sealing materials and detract from the smooth look you're trying to achieve.
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| 30. | Most of it _ perhaps 60 percent _ comes from fertilizer, plant debris and minerals from soil fodder.
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