Earth and Environment - Palaeontology
A new study by scientists from the University of Bristol's School of Earth Sciences, shows a well-known group of extinct marine reptiles had an early burst in their diversity and evolution - but that a failure to adapt in the long-run may have led to their extinction.
A big problem with dinosaurs is that there seem to be too many meat-eaters. From studies of modern animals, there is a feeding pyramid, with plants at the bottom, then plant-eaters, and then meat-eaters at the top.
Animals evolved from single-celled ancestors, before diversifying into 30 or 40 distinct anatomical designs.
An international team of scientists, led by the University of Bristol, have produced an unprecedented record of the biotic recovery of ocean ecosystems that followed after the last mass extinction, 66 million years ago.
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