living and non-living things生物与非生物

Livingthingsandnon-livingthingsByYanzhiLvClass16Thedefinitionoflivingandnon-livingthingsLivingthingshavesevencharacteristicsbelowandnon-livingthingsdon’thaveallthecharacteristicsthatlivingshave.Characteristicsoflivingthings1.Livingthingscanmove.2.Livingthingscangrow.3.Livingthingscanbreatheandrespire.4.Livingthingscanreproduce.5.Livingthingscanrespondtostimuli.6.Livingthingscanexcretewaste.7.Alllivingthingsneedfoodtokeepalive.Livingthingscanmove.•Manyanimalscanmovetheirbodiesfromoneplacetoanther.Theymovebecauseofescapingdangerortryingtofindfoodorwater.•Manybirdsmovefromoneplacetoantherbecauseofclimatechange.•Humanbeingsalsomove,wecanwalk,dance,jump,andclimb.Someofuscanalsoswim.•Plantsmovementisnotthesameastheanimals’,Plantcanmovepartoftheirbodiestogetwhattheyneed.Livingthingscangrow.•Alllivingthingscangrowtobebigandheavy.Aseedcangrowintoatreeandababycangrowintoachild.Livingthingscanbreatheandrespire.•Mostlivingthingsneedairtokeepalive.Mostanimalswithbackbones,likehumans,birds,reptilesuselungstobreathe.•Fishesusetheirgillstobreathe.•Mostoftheanimalswithoutbackbones,liketheinsects,shrimpsandmollusksuselungstobreathe.•Theplantsbreathethroughtheirleaves.Livingthingscanreproduce.•Alllivingthingscanreproduce.•Animalsproducebabiesoreggsandplantsproduceseeds.•Thebabiesandseedsarecalledoffspring.•Theparentanimalsandplantspassontheirfeaturestotheiroffspring.•Withoutreproducing,humansandanimalscan’tlivegenerationaftergeneration,thesocietyandthenaturecan’tdeveloporbeimproved.Livingthingscanrespondtostimuli.•Respondingtothestimuliistheknowledgeorabilitywhichallowsanimalsandpeoplenaturallytoactinparticularwayswithouthavingtothinkortobetaught.So,wheneverthereisastimulus,livingthingswillrespondtoitimmediately.Livingthingscanexcretewaste.•Thewasteisharmfultothebody,soitisnecessarytoremovethewastefromanimals’bodies.•Plantsalsoneedtoremovethewaste,youwillseetheleavesandbarkfallordropyearly.Alllivingthingsneedfoodtokeepalive.•Weallknowthatfoodprovidesenergyforlivingthings.Withoutfood,livingthingswilldiesoon.•Butdifferentorganismstakeindifferentkindsoffood.•Now,canyoutelluswhyacar,afanandaballoonarenotlivingthingsthoughtheymoveorfloat?TheendThanksalot!!