| 41. | Each of these scutes had 40 growth rings and Sereno estimated the animal was about 80 percent fully grown.
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| 42. | As the tree grows, it creates growth rings, concentric bands that spread outward from the center toward the bark.
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| 43. | One, about eight inches in diameter, revealed over 70 growth rings when the sawdust was brushed off its surface.
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| 44. | The orange roughy, which lives up to 150 years ( a bone in its ear shows growth rings ).
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| 45. | Annual growth rings in herbs are usually only visible by means of a microscope and a specific staining method.
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| 46. | Analysis of growth rings in the stems of plants reveal that individuals may reach 100 years old or older.
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| 47. | Smaller shells tend to be elongated; larger shells are more rounded and the growth rings can be seen clearly.
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| 48. | Your reaction to the pictures will date you as surely as growth rings reveal the age of a fallen tree.
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| 49. | They have more 10 to 20 growth rings per inch compared to three to six rings in a smaller tree.
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| 50. | The umbones are towards the anterior end of the valve and the growth rings are most noticeable near the margins.
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