The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

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 ...

For many, it is dinosaurs, the fierce and powerful stars of the Mesozoic era, which spanned from about ... One hypothesis suggests that mammals co-evolved with plants. Following the fifth mass ...