There are very strong reasons for thinking that vertebrates feel pain in a way very similar to humans (see e.g. http://philosophyforprogrammers.blogspot.com/201

There are very strong reasons for thinking that vertebrates feel pain in a way very similar to humans (see e.g. http://philosophyforprogrammers.blogspot.com/2010/11/who-feels-pain.html http://philosophyforprogrammers.blogspot.com/2010/11/who-fee...). There is absolutely no evidence that plants feel anything.