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Unit5RevealingnatureStartingout
WhatwillUnit5beaboutaccordingtothetitle?make(previouslyunknownorsecretinformation)knowntoothersreveal
Activity1Lookatthepagefromasciencemagazineandanswerthequestions.1.Whatdoyouknowabouttheseanimals?
Komododragon KomododragonswerefirstencounteredbyWesternresearchersin1910.TheresearcherssaidtheancestoroftheKomododragonmostlikelyevolvedinAustraliaandspreadwestward,reachingtheIndonesianislandofFlores900,000yearsago.
Komododragon TheKomododragonisthelargestlizardintheworld.Itcangrowtothreemetresinlengthandcanweighabout135kilograms.Despiteitssizeandweight,itcanrunforshortdistancesatupto20kilometresperhour.
Thefirstscientiststoexamineapreservedplatypusbodyjudgeditafakeinthelate18thcentury.Theoldestdiscoveredfossilofthemodernplatypusdatesbacktoabout100,000yearsago.Duck-billedplatypus
Theduck-billedplatypusisasmallegg-layingmammal(upto60cminlength)foundonlyinEasternAustraliaincludingTasmania.Asitsnamesuggests,ithasamouththatlookslikeaduck’sbill,whileitsthickfurandflattailaresimilartothoseofabeaver.Duck-billedplatypus
Nautilus Fossilrecordsindicatethatthenautilushassurvivedrelativelyunchangedforaround500millionyearsLongbeforedinosaursroamedtheEarth.Thatiswhyitisoftenconsidered“livingfossil.”
Nautilus Atfirst,?prehistoricnautiluseshadstraightshells,buttheseevolvedintoacoiledshape.Prehistoricnautiluseshadshellsupto10feetinsize.Theydominatedtheseas,asfishhadntyetevolvedtocompetewiththemforprey.
2.Whatmakestheseanimalsspecial? Theyareallspeciesthatexistthousandsofyearsonearth;Theyareoldandrare(unusual).Activity1Lookatthepagefromasciencemagazineandanswerthequestions.
Activity2Watchthevideoandanswerthequestions.Howcanseedstravel?Howcant
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