Originally Posted by **Kingbear **
There are no souls other than Humans. A carrot or a rock or a stick or a Labrador or an ape has no soul. You only have to look at your pet to understand it is empty and has nothing of humanity in it.
The following site has a short, simple explanation of souls which should be helpful (scholastic philosophy).
See especially the 3rd section titled “The Soul - The Source of Life”.