第4节
【】sh attrablebeesandthe birdsheseedsfarandiltheh hadbeeveredhgreenpastures,orlaydarkuhe shadoeofthefishestoo hadbeguhesea,andtheyhadleaedhoobreathe phibious, eansthattheyareabletolivehequaleaseontheland andihefirstfroghtellyou allaboutthepleasuresofthedoubleexistenphibian. osideofthealsgraduallyadapted theelvesreaolifeonland.sobecareptiles creaturesheysharedthe silenove fasterthroughthesoftsoil,theyirovedupontheirlegs andtheirsizeincreaseduntiltheedh gigantishehandbooksofbiologylistunder thenasofiegalosaurusandbrontosaurus obethirtytofortyfeetlongandouldhave playedhelephantsasafullgroplayshherkittens. sooftheersofthisreptilianfalybegantolivein thetopsofthetrees,orethanahundred feethigh.theynoloheirlegsforthepurpose oftovequicklyfrobr> branchtobrandsotheygedapartoftheirskin intoasortofparahedbethesidesof theirbodiesaoesoftheirforefeet,andgradually theyveredthisskinnyparachuteade theirtailsintoasteeringgearareetotreeand developedintotruebirds. thenastrahinghappened.allthegiganticreptiles diede.knohereason.perhaps itate.perhapsthey hadgronorwalknor craheystarvedtodeathhinsightbutnothin reachofthebigfesandtrees.everthecause,the llionyearoldpireofthebigreptileswasover. theobeoupiedbyverydifferent creatures.theyhedesdantsofthereptilesbutthey the ``aeorthebreastsofthether.ode sallstheseanils``als.theyhadshedthe scalesofthefish.theydidnotadoptthefeathersofthebird, buttheyveredtheirbodiesaalshowever developedotherhabitsheirraceagreatadvantage overtheotheranils.thefeleofthespecies carriedtheeggsoftheyounginsideherbodyuntiltheywere hatchedande,had lefttheirchildrenexposedtothedangersoflda, aalskepttheiryoung foralongtiaeredtheeywere stilltooies.inthisheyoung alsuetosurvive,because theyleaednythingsfroheirthers,asyouwillknow ifyouhaveeveratteagherkittenstotake selvesandhooheirfadhoo e. butofthesealsitellyouchforyou knoheysurroundyouonallsides.theyare yourdailypanionsireetsandinyourho,andyou iliarusinsbehindthebarsofthezoological garden. ahepartingofthean suddenlyleavestheendlessproblylivingand dyiuresandbeginstousehisreasontoshapethe destinyofhisrace. onealinparticularseedtosurpassallothersin itsabilitytofindfoodaer.ithadleaedtouseits forefeetforthepurposeofholdingitsprey,andbydintof praeithaddevelopedahandlikeclaerable attetsithadleaedhoobalahehe bodyuponthehihisisadiffit,hevery childhastoleaaneanracehasbeen doingitforoverallionyears. thiscreature,halfapeandhalfsuperiorto both,beakea livingineveryoved aboutingroups.itleaedhoakestrangegruntsto anyhundreds ofthousandsofyearsitbegantousethesethroatynoises forthepurposeoftalking. thisayhardlybelieveit,wasyour first``nlikeaor. ourearliestaors weknoen.wehave neverseentheirpictures.inthedeepestlayerofclayofan anesfoundpiecesoftheirbones. theselayburiedadstthebrokeonsofotheranils thathavelongsincedisappearedfrohefaceoftheearth. anthropologistsleaedstistsetheirlivesto thestudyofheanilkingdoave takenthesebonesandtheyhavebeeorenstructour earliestaorshafairdegreeofay. thegreatgreatgrandfatherofthehunracewasavery uglyandunattractiveal.heuch sllerthanthepeopleoftoday.theheatofthesunandthe bitinghelderhadlouredhisskinadark broostofhisbody,hisaraoo, hlong,arsehair.hehadverythinbut strongfingersadehishandslooklikethoseofankey. hisforeheadhejawofa alsteethbothasforkandknife.he esofthe rulingvoloesoke andtheirlava. helivedinthedablaessofvastforests,asthe pygesofafricadotothisveryday.the pangsofhungerheateraherootsofplantsor hetooktheeggsaanangrybirdaheohis oeralongandpatientchase, heallwilddogorperhapsa rabbit.theseheraovered thatfoodtastedbetterooked. duringthehoursofday,thispritivehunbeing prolookingforthingstoeat. desdedupoh,hehidhiswifeand hischildreninaholloeheavyboulders, ...