Does sentience require a CNS? If yes, sponges and jellyfish don’t suffer? If no, damaged plants release chemical distress signals. They alter behavior (growth patterns, resource allocation) to avoid damage. They prime defensive responses after initial exposure, functionally similar to sensitizat...

Why is sentience important? Is it okay to piss on a person's grave just because they aren't sentient anymore? If someone drowns in front of you, is it suddenly okay to kick over a person's sand castle just becauee theu aren't sentient anymore? If you numb someone's arm so that they can no longer fe...