文档介绍
EarlyBirds:BENCHMARK•YFossilsandFeathersEarlyBirds:EarlyBirds:AReadingA–ZLevelYBenchmarkBookWordCount:1,240FossilsandFeathersFossilsandFeathersWrittenbyWrittenbyAlfredJ.SmuskiewiczAlfredJ.SmuskiewiczVisitforthousandsofbooksandmaterials.Glossaryadapt(v.)tochangetofitnewconditionsEarlyBirds:(p.4)carnivorous(adj.)meat-eating(p.11)FossilsandFeathersdecomposition(n.)theprocessofdecayingandrotting(p.5)descended(v.)developedfrom;haveasancestors(p.8)impressions(n.)marksorprintsmadebypressure(p.4)meteorite(n.)chunkofstoneormetalthatfallstoEarth’ssurfacefromspace(p.14)paleontologists(n.)scientistswhoareexpertsinpistoriclifeandfossils(p.4)rudimentary(adj.)incompletelydeveloped(p.10)species(n.)groupoforganismsthatsharecertaintraitsandcaninterbreed(p.4)IndexArchaeopteryx,8–10radioisotopedating,8coeluros