As far as I know, living people can positively affect the dead. This is the reason we say Kaddish and learn Mishnayos for the souls of the deceased. (Feel free to comment with more examples of this.) ...
I've heard it said that animals don't possess a רוח However, Ecclesiastes 3:21 uses the phrase רוּחַ הַבְּהֵמָה. Is there any text that indicates that animals don't possess a spirit? Edit: Upon ...