Giant 'sea monsters' evolved big bodies to offset long necks being a total drag

Large torsos helped streamline swimming in giant long-necked extinct marine reptiles that swam Earth's oceans during the Mesozoic.

Giant 'sea monsters' evolved big bodies to offset long necks being a total drag
Large torsos helped streamline swimming in giant long-necked extinct marine reptiles that swam Earth's oceans during the Mesozoic.