Nitrogen fixing bacteria may have helped some cycads survive to the present day DURHAM, N.C. -- Once a favored food of grazing dinosaurs, an ancient lineage of plants called cycads helped sustain ...

Scientists divide the Mesozoic Era into three periods: the Triassic ... This meant that differences between animals or plants found in different areas were minor. The Triassic climate was relatively ...

3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in ... of the food chain was filled with microscopic plants called phytoplankton; two of the major groups ...