(rotifer 的复数) n. 轮虫
plural of rotifer
n. minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton

Organisms evolved sexual reproduction so they could stay one step ahead of parasites. Or so the theory goes. But what about beasties that make babies without sex? How do they escape infection? A study in the journal Science suggests that for bdelloid

发表于:2018-12-02 / 阅读(113) / 评论(0) 分类 Scientific American(一)月

Science and Technology Extending lifespan Thanks, Mum! 科技 延长寿命 谢啦,老妈! An obscure group of animals may reveal the secret of elongating life 一群不为人知的动物可能会揭开长寿之谜 THE one sure way to prolong an a

发表于:2019-01-26 / 阅读(39) / 评论(0) 分类 经济学人科技系列
学英语单词
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