On almost bare land, with few or no destructive insects or birds living there, nearly every seed which chanced to arrive, if fitted for the climate, would germinate and survive.

Please remove spaces between words.
Onalmostbareland,withfewornodestructiveinsectsorbirdslivingthere,nearlyeveryseedwhichchancedtoarrive,iffittedfortheclimate,wouldgerminateandsurvive.