Large bodies helped extinct marine reptiles with long necks swim, study finds

Large bodies helped extinct marine reptiles with long necks swim, study finds

Ancient, long-necked sea monsters must have evolved large bodies to rule Earth’s oceans around 200 million years ago, according to a new study. The large bodies helped the extinct creatures swim at high speeds even though they had bizarre appendages that might otherwise have increased drag and slowed them down. Bigger bodies meant more muscle…