【】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.theyhede

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