Assertion: plesiosaur | /r/HasProperty | successful
Facets:
value: extremely
type: DEGREE
value: because of their efficient locomotion
type: CAUSE
value: because of their warm-bloodedness
type: CAUSE
Source sentences:
text: Because of their warm-bloodedness and their efficient locomotion, plesiosaurs were extremely successful and widespread.
text: The results were amazing and indicate why plesiosaurs were such a successful species, retaining four flippers for more than 100 million years," says lead researcher Luke Muscutt, a Southampton PhD student in Engineering and the Environment.