I can see the issue with animals with brains. However, Oysters/mussels should be separated out of this list as they don't. After watching this Ted video, http:

I can see the issue with animals with brains. However, Oysters/mussels should be separated out of this list as they don't. After watching this Ted video, http://www.ted.com/talks/stefano_mancuso_the_roots_of_plant_intelligence.html http://www.ted.com/talks/stefano_mancuso_the_roots_of_plant_... , I think high level plants may be functioning at near the same level as low functioning animals.