SAS_midterm1

SAS_midterm1

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Unformatted text preview: degrading wood but they do so very slowly. Why is wood slow to break‐down? 31. Describe a mechanism by which a wood‐rotting fungus can supplement the supply of nitrogen available to it in wood. 32. What is the difference between heartwood and sapwood? 33. Why are 40 year‐old redwood trees not very decay‐resistant? 34. Following colonization of the land by plants, wood accumulated over a period of many millions of years ‐ during what is known as the carboniferous period ‐ Why did this wood not decompose? 35. What is your favorite thing not to like about coal? 36. How do heart‐rot fungi gain access to the heartwood in a living tree? 37. In what ways can th...
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This test prep was uploaded on 03/22/2014 for the course SAS 30 taught by Professor Wilhelm during the Fall '08 term at UC Davis.

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