article_snippet.sent: The common ancestor of humans may have had tentacles, a scientist has claimed.
article_snippet.sent: Organisms that lived in the sea 635 to 541 million years ago, from which humans and other animals evolved, likely had flexible appendages and a complex nervous system.
article_snippet.sent: It seemingly puts to bed another theory that suggests our ancestors were much more simple, worm-like creatures.
article_snippet.sent: A Russian scientist says The common ancestor of humans had tentacles.
article_snippet.sent: It's likely One such creature also had a complex nervous system like we do today .
article_snippet.sent: However, our distant ancestors hundreds of millions ago were not, with many of our distant ancestors hundreds of millions ago thought to be worm-like creatures that swam in the seas or walked on the seafloor.
article_snippet.sent: One theory suggests that our common bilaterian ancestor was a worm without appendages and just a simple nervous system.
article_snippet.sent: Dr says that our ancestors had appendages - or tentacles - that were used for movement and food collection.
article_snippet.sent: And, Dr says, our ancestors had appendages - or tentacles - that were used for movement and food collection also had a complex nervous system.
article_snippet.sent: By virtue of the fact that there are tentacles among the two main taxons of bilaterally symmetrical animals, it is logical to assume that the common ancestor also had the common ancestor,’ said Dr Elena Temereva.
article_snippet.sent: It means that the common ancestor of chordate animals [such as mammals, fish and birds] including people also had tentacles.
article_snippet.sent: Dr Elena Temereva said that, therefore, it could be assumed that our ancestors had tentacular appendages.
highlights_snippet.sent: Russian scientist says distant ancestor of humans had tentacles .
  
highlights_snippet.sent: It's likely distant ancestor of humans also had a complex nervous system like we do today .
  
highlights_snippet.sent: Challenges another theory that says our ancestors were more worm-like .