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39. 企鹅
The number of A* penguin decrease significanly during the hundreds of years. Less heavy isotype than light in their body. The more heavy isotype in animals body, the higher in the food chain they are. This indicates a shift from fish to K. Penguins' predator whale, sharp also decrease greatly. The shift from fish to K must result from the decline in whale and shark. ——by liberzephyr（V37）
这题是本月寂静的 但是 我觉得很熟悉 请问有人记得原题来自GWD 还是PREP
希望NN帮忙 |
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发表于 2010-10-4 07:59:42
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