一字一句翻的,自己也学到不少呵
Botaniesmetabolizethemselvesthroughphotosynthesis,andleavesarethemainorgansforthisprocess.Withthehelpofphytochromesuchaschlorophyllandofvisiblelight.greenplantscanconvertcarbondioxideandwatertoorganicmaterialandreleasesomeamountofoxygen.Themolecularequationisshownbelow:
CO2+H2O→(CH2O)(ORGANICMATERIAL)+O2(CONDITIONS:LIGHTENERGYANDCHLOROPLAST)
Leafmosaiciscausedbythedifferenceofthelength,distortion,andarrangingangleoftheleaves.whichcausesadisclosedpatternoftheleavesbutnotcoicidedpattern.Viewedfromthetop,thephenomenonofleafmosaicisevenmoreobvious,especiallyforthoseplantsthathaveshorttimeintervalandmanyfoliageonthestemsuchastobacco,dandelion,andsnokeweed.