I voted "I don't understand the question" since I can't pick my real answer, which would be "I can't answer in a yes/no form." I don't know if souls are real or just an arrogant fantasy, and I'm not really a big believer in them, but I'm sure of one thing-- either every sentient being (and maybe every living thing) has one, or none of us has one. We're just not that different from the rest of the animal kingdom, so there's no logical reason to suppose we're the only life form on this planet that could possibly evolve (or be granted by whatever force created us) this singular, mysterious thing that somehow makes us better and more worthy than the rest of the Earthlings. Sure, we're smarter than most other Earthlings, at least as far as we can tell, but if souls are real, I highly doubt they're about intelligence.
"A blade of grass and a small shrub may appear quite different when we stand before them, but viewed from the lofty heights of a great mountain, they are remarkably similar."