I am aware of a passage in Isaiah that speaks of the peace between the animal kingdom, but what of the insects? Also was it possible for every insect to fit on the ark? Perhaps God did use micro evolution. Also what of annoying insect like Bed Bugs? What were they like before the fall and during the 1,000 years with Christ? How about other insects? I'll bet that God will alter them, so they will no longer be able to bite humans or other insects. How they get their food will be up to God.
John
John