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15 hours ago · Crocodilia (or Crocodylia, both / k r ɒ k ə ˈ d ɪ l i ə /) is an order of mostly large, predatory, semiaquatic reptiles known as crocodilians.They first appeared 94 million years ago in the Late Cretaceous period (Cenomanian stage) and are the closest living relatives of birds, as the two groups are the only known survivors of the Archosauria.
![Escherichia coli (E. coli) bacteria [image] | EurekAlert! Science News](https://images.search.yahoo.com/search/images?p=e+coli+bacteria+in+animals&ei=UTF-8&xargs=0&age=1d&th=102.7&tw=154&imgurl=https%3A%2F%2Fmedia.eurekalert.org%2Fmultimedia_prod%2Fpub%2Fweb%2F254983_web.jpg&rurl=https%3A%2F%2Fwww.eurekalert.org%2Fmultimedia%2Fpub%2F254983.php&size=96KB&name=Escherichia+coli+%28E.+coli%29+bacteria+%5Bimage%5D+%7C+EurekAlert%21+Science+News&oid=4&h=960&w=1440&turl=https%3A%2F%2Ftse1.mm.bing.net%2Fth%3Fid%3DOIP.tsrNVm-Y8jR7TvLT2cYxswHaE8%26pid%3DApi%26rs%3D1%26c%3D1%26qlt%3D95%26w%3D154%26h%3D102&tt=Escherichia+coli+%28E.+coli%29+bacteria+%5Bimage%5D+%7C+EurekAlert%21+Science+News&sigr=iZga.ucMlZhL&sigit=PnOO8dfJXR5y&sigi=q9eYcyH7wKeX&sign=CXx_XD3EAIem&sigt=CXx_XD3EAIem "Escherichia coli (E. coli) bacteria [image] | EurekAlert! Science News")
