单词：portogynous (hildebrand 1867)(proterogynous)dichogamy
单词：portogynous (hildebrand 1867)(proterogynous)dichogamy 相关文章
Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi
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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? A direct effect on human health related to climate change is the likely increase in infectious diseases transmitted by insects or through contaminated water. In the Marc
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Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of
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It seems as though temperatures are rising these days. Everyone knows its because of global warming. Its very dangerous. Higher temperatures are causing a lot of problems for the world. There are more hurricanes and floods. One of the most obvious si
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BEIJING, Feb. 23 (Xinhua) -- China will experience higher temperatures across the country over the next few days, the Central Meteorological Center said Saturday. Temperatures will be 1 to 3 degrees Celsius higher than last year in most regions excep
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This extra jostling pushes the atoms farther apart, causing the whole substance to slightly increase in size. If the substance cools off, its atoms stop pushing against each other so vigorously. This makes the substance shrink again. This connection
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