[kurosawa]

I use my perception to do much more, most of the time. All evidence points to humans being a good few steps above other animals for whom those three activities are not only necessary but almost sufficient.

[no-opinion]

Humans might be above animals, but I suspect not by much. Who's to say what minor event in evolution prevents dolphins or AI in becoming sentient.

[dualogy]

Opposable thumbs, most likely.