GMAT Sentence Correction (SC) | Re: With no natural predators and expanses of green suburban

Hi,

Can we have someone from the E-GMAT team respond to this?

I have the following doubts-:

1) How does the "Green expanses of suburban .. " modify deer population? New Jersey fits in well here. Though, I can beat my head around accepting that this does modify deer population but I'm not sure what would the key "takeaway" be here so that I don't make such a mistake again?

2" If I say"With no natural predators and the green expanses ....", do I need to put