WASHINGTON :Amber found in the Amazon forest region of Ecuador containing a trove of well-preserved fossils of wasps, midges, flies, beetles and other insects is giving a glimpse of a Cretaceous Period ecosystem in South America crawling with activity 112 million years ago during the age of dinosaurs. Amber is fossilized tree resin. Sometimes amber is found with bioinclusions - animals, plants and fungi that got trapped in the sticky stuff before it hardened and eventually fossilized. The