OxfordBookwormsLibraryFactfiles:Level3:AnimalKingdom3级：动物王国(英文原版)

Classics,modernfiction,non-fictionandmore.WrittenforsecondaryandadultstudentstheOxfordBookwormsLibraryhassevenreadinglevelsfromA1-C1oftheCEFR.Fromthesmallestflytothebiggestelephant,andfromfishlivingatthebottomoftheoceantobirdsthatflyseveralkilometresaboveland:thisistheanimalkingdom,thebiggestgroupoflivingthingsintheworld.Someareverydifferent,othersarethesameinmanyways-butthesemammals,birds,fish,reptiles,amphibians,andinvertebrateshaveallmanagedtoliveforthousandsandthousandsofyears.Howdotheyfindfood,grow,keepsafe,andhaveyoung-andwhatisthefuturefortheminthisfast-changingworld?CEFRB1Wordcount7,825